a road roller takes 500 complete revolutions movea road roller takes 750 complete revolutions move

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  • Ex 11.3, 9 - A road roller takes 750 complete revolutions ...

    2018-12-12u2002·u2002Ex 11.3, 9 A road roller takes 750 complete revolutions to move once over to level a road. Find the area of the road if the diameter of a road roller is 84 cm and length is 1 m. Given, Length of roller = h = 1 m & Diameter of the roller = 84 cm ∴ Radius of the roller …

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  • a road roller takes 750 complete revolutions to move once ...

    2018-2-26u2002·u2002A road roller takes 750 complete revolutions to move once over to level a road. Find the area of the road if the diameter of the road roller is 84cm amd length is 1m.

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  • NCERT Solutions for Class 8 Maths Exercise 11.3 Chapter

    9. A road roller takes 750 complete revolutions to move once over to level a road. Find the area of the road if the diameter of a road roller is 84 cm and length 1 m. Solution: Diameter of road roller, d = 84 cm. Radius of road roller, r = d/2 = 84/2 = 42 cm. Length of road roller, h = 1 m = 100 cm. Formula for Curved surface area of road ...

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  • A road roller takes 750 complete revolutions to move once ...

    2016-12-25u2002·u2002A road roller takes 750 complete revolutions to move once over to level the road .find the area of the road if the diameter of a roadroller is 84 cm and lenght is 1 m.

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  • A road roller takes 750 complete revolutions to move once ...

    2017-12-30u2002·u2002A road roller takes 750 complete revolutions to move once over to level a road. Find the area of the road if the diameter of a road roller is 84 cm an asked Dec 23, 2019 in Mensuration by Chiranjeev ( 98.4k points)

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  • Class 8 NCERT Solutions - Chapter 11 Mensuration ...

    2020-11-26u2002·u2002A road roller takes 750 complete revolutions to move once over to level a road. Find the area of the road if the diameter of a road roller is 84 cm and length is 1 m. Solution: Diameter of road roller (d) = 84 cm. Radius of road roller (r) = d 2 = 84 2 = 42 cm. Length of road roller (h) = 1 m = 100 cm. Curved surface area of road roller = 2πrh

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  • NCERT Solutions for Class 8 Math Chapter 11 - Mensuration

    A road roller takes 750 complete revolutions to move once over to level a road. Find the area of the road if the diameter of a road roller is 84 cm and length is 1 m. Answer: In one revolution, the roller will cover an area equal to its lateral surface area. ... In 750 revolutions, area of the road covered =

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  • NCERT Solutions for Class 8 Maths Chapter 11

    2019-10-4u2002·u2002A road roller takes 750 complete revolutions to move once over to level a road. Find the area of the road if the diameter of a road roller is 84 cm and length is 1 m. Solution: The lateral surface area of the road roller = 2πrh Hence, the area of road = 1980 m2. Ex 11.3 Class 8 Maths Question 10.

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  • Daniel is painting the walls and ceiling of a cuboidal ...

    A road roller takes 750 complete revolutions to move once over to level a road. Find the area of the road if the diameter of a road roller is 84 cm and length is 1 m. Explore math program

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  • Ex 13.2, 4 - The diameter of roller is 84 cm and its length

    2018-5-29u2002·u2002Transcript. Ex 13.2, 4 The diameter of a roller is 84 cm and its length is 120 cm. It takes 500 complete revolutions to move once over to level a playground.

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  • NCERT Solutions for Class 8 Maths Exercise 11.3 Chapter

    9. A road roller takes 750 complete revolutions to move once over to level a road. Find the area of the road if the diameter of a road roller is 84 cm and length 1 m. Solution: Diameter of road roller, d = 84 cm. Radius of road roller, r = d/2 = 84/2 = 42 cm. Length of road roller, h = 1 m = 100 cm. Formula for Curved surface area of road ...

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  • Class 8 NCERT Solutions - Chapter 11 Mensuration ...

    2020-11-26u2002·u2002A road roller takes 750 complete revolutions to move once over to level a road. Find the area of the road if the diameter of a road roller is 84 cm and length is 1 m. Solution: Diameter of road roller (d) = 84 cm. Radius of road roller (r) = d 2 = 84 2 = 42 cm. Length of road roller (h) = 1 m = 100 cm. Curved surface area of road roller = 2πrh

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  • A road roller takes 500 complete revolutions to move once ...

    2020-6-17u2002·u2002A road roller takes 500 complete revolutions to move once over to level a road of area 1650 m^2.If the length of the road roller is 1.5 m, find its radius.(Take 22/7 for …

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  • NCERT Solutions for Class 8 Maths Chapter 11

    2021-7-3u2002·u2002A road roller takes 750 complete revolutions to move once over to level a road. Find the area of the road if the diameter of a road roller is 84 cm and length is 1m. Answer: Radius of the roller = (frac{84}{2}) = 42cm Length of the roller = 1 m = 100 cm Lateral surface area = 2 π rh sq unit [road roller …

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  • NCERT Solutions for Class 8 Math Chapter 11 - Mensuration

    A road roller takes 750 complete revolutions to move once over to level a road. Find the area of the road if the diameter of a road roller is 84 cm and length is 1 m. Answer: In one revolution, the roller will cover an area equal to its lateral surface area. ... In 750 revolutions, area of the road covered =

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  • NCERT Solutions for Class 9 Maths Chapter 13 Surface

    It takes 500 complete revolutions to. move once over to level a playground. Find the area of the playground in m 2? (Assume π = 22/7) Solution: A roller is shaped like a cylinder. Let h be the height of the roller and r be the radius. h = Length of roller = 120 cm. Radius of the circular end of roller = r = (84/2) cm = 42 cm. Now, CSA of ...

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  • Ex 13.2, 4 - The diameter of roller is 84 cm and its length

    2018-5-29u2002·u2002Transcript. Ex 13.2, 4 The diameter of a roller is 84 cm and its length is 120 cm. It takes 500 complete revolutions to move once over to level a playground.

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  • Ask Answer - Mensuration - Popular Questions for School ...

    2014-12-2u2002·u2002A road roller takes 750 complete revolutions to move once over to level a road. Find the area of the road if the diameter of a road roller is 84 cm and length is 1 m. Answer 1

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  • NCERT Solutions for Class 9 Maths Chapter 13 Surface

    2019-6-8u2002·u2002The diameter of a roller is 84 cm and its length is 120 cm. It takes 500 complete revolutions to move once over to level a playground. Find the area of the playground in m 2. Solution: We have, diameter of a roller = 84 cm r = radius of a roller = 42 cm h = 120 cm To cover 1 revolution = Curved surface area of roller = 2πrh

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  • The diameter of a roller is 84 cm and its length is 120 cm ...

    2017-11-9u2002·u2002Radius of the roller (r) = 84 2 cm = 42 cm . Length of the roller (h) = 120 cm . Curved surface area of the roller = 2πrh = 2 × 22 7 × 42 × 120 cm 2 = 44 × 720 cm 2 = 31680 cm 2 . ∴ area covered by the roller in 1 revolution = 31680 cm 2 . ∴ area covered by the roller in 500 revolutions = 31680 × 500 cm 2 = 15840000 cm. Hence, area of the playground = 15840000 100× 100 m 2 = 1584 ...

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  • NCERT Solutions for Class 8 Maths Exercise 11.3 Chapter

    9. A road roller takes 750 complete revolutions to move once over to level a road. Find the area of the road if the diameter of a road roller is 84 cm and length 1 m. Solution: Diameter of road roller, d = 84 cm. Radius of road roller, r = d/2 = 84/2 = 42 cm. Length of road roller, h = 1 m = 100 cm. Formula for Curved surface area of road ...

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  • Class 8 NCERT Solutions - Chapter 11 Mensuration ...

    2020-11-26u2002·u2002A road roller takes 750 complete revolutions to move once over to level a road. Find the area of the road if the diameter of a road roller is 84 cm and length is 1 m. Solution: Diameter of road roller (d) = 84 cm. Radius of road roller (r) = d 2 = 84 2 = 42 cm. Length of road roller (h) = 1 m = 100 cm. Curved surface area of road roller = 2πrh

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  • A road roller takes 500 complete revolutions to move once ...

    2020-6-17u2002·u2002A road roller takes 500 complete revolutions to move once over to level a road of area 1650 m^2.If the length of the road roller is 1.5 m, find its radius.(Take 22/7 for …

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  • NCERT Solutions for Class 8 Maths Chapter 11

    2021-7-3u2002·u2002A road roller takes 750 complete revolutions to move once over to level a road. Find the area of the road if the diameter of a road roller is 84 cm and length is 1m. Answer: Radius of the roller = (frac{84}{2}) = 42cm Length of the roller = 1 m = 100 cm Lateral surface area = 2 π rh sq unit [road roller …

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  • NCERT Solutions for Class 8 Math Chapter 11 - Mensuration

    A road roller takes 750 complete revolutions to move once over to level a road. Find the area of the road if the diameter of a road roller is 84 cm and length is 1 m. Answer: In one revolution, the roller will cover an area equal to its lateral surface area. ... In 750 revolutions, area of the road covered =

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  • NCERT Solutions for Class 9 Maths Chapter 13 Surface

    It takes 500 complete revolutions to. move once over to level a playground. Find the area of the playground in m 2? (Assume π = 22/7) Solution: A roller is shaped like a cylinder. Let h be the height of the roller and r be the radius. h = Length of roller = 120 cm. Radius of the circular end of roller = r = (84/2) cm = 42 cm. Now, CSA of ...

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  • Ex 13.2, 4 - The diameter of roller is 84 cm and its length

    2018-5-29u2002·u2002Transcript. Ex 13.2, 4 The diameter of a roller is 84 cm and its length is 120 cm. It takes 500 complete revolutions to move once over to level a playground.

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  • Ask Answer - Mensuration - Popular Questions for School ...

    2014-12-2u2002·u2002A road roller takes 750 complete revolutions to move once over to level a road. Find the area of the road if the diameter of a road roller is 84 cm and length is 1 m. Answer 1

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  • NCERT Solutions for Class 9 Maths Chapter 13 Surface

    2019-6-8u2002·u2002The diameter of a roller is 84 cm and its length is 120 cm. It takes 500 complete revolutions to move once over to level a playground. Find the area of the playground in m 2. Solution: We have, diameter of a roller = 84 cm r = radius of a roller = 42 cm h = 120 cm To cover 1 revolution = Curved surface area of roller = 2πrh

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  • The diameter of a roller is 84 cm and its length is 120 cm ...

    2017-11-9u2002·u2002Radius of the roller (r) = 84 2 cm = 42 cm . Length of the roller (h) = 120 cm . Curved surface area of the roller = 2πrh = 2 × 22 7 × 42 × 120 cm 2 = 44 × 720 cm 2 = 31680 cm 2 . ∴ area covered by the roller in 1 revolution = 31680 cm 2 . ∴ area covered by the roller in 500 revolutions = 31680 × 500 cm 2 = 15840000 cm. Hence, area of the playground = 15840000 100× 100 m 2 = 1584 ...

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  • NCERT Solutions : Mensuration (Mathematics) Class 8

    500 m 2 of area is painted with 500/100 cans = 5 cans. Q 22. ... A road roller takes 750 complete revolutions to move once over to level a road. Find the area of the road if the diameter of a raod roller is 84 cm and length is 1 m. SOLUTION: Q 26.

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  • NCERT Maths Specific Questions Of Mensuration for 9 and

    2021-4-18u2002·u2002Example 2- A road roller takes 750 complete revolutions to move once over to level a road. Find the area of the road if the diameter of a road roller is 84 cm andlength is 1 m. Answer. The length of road roller(h) = 1 m. The diameter of road roller = 84 cm. Its radius = 42 cm

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  • NCERT Solutions for Class 8 Maths Chapter 11 -

    2021-9-20u2002·u2002Q9 : A road roller takes 750 complete revolutions to move once over to level a road. Find the area of the road if the diameter of a road roller is 84 cm and length is 1 m. Find the area of the road if the diameter of a road roller is 84 cm and length is 1 m.

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  • NCERT Solution for class 8 maths chapter 11 Mensuration

    A road roller takes 750 complete revolutions to move once over to level a road. Find the area of the road if the diameter of a road roller is 84 cm and length 1 m. Solution : Given: Diameter of road roller = 84 cm Radius of road roller = 42 cm Length of road roller = 1 m = 100 cm Curved surface area of road roller = = = 26400 cm2 Area covered ...

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  • MP Board Class 8th Maths Solutions Chapter 11

    2021-10-5u2002·u2002A road roller takes 750 complete revolutions to move once over to level a road. Find the area of the road if the diameter of a road roller is 84 cm and length is 1 m. Solution: Area covered in 1 revolution = curved surface area of cylinder ∴ Area covered in 750 revolutions = 2.64 × 750 …

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  • rectangular - wssbxr.in

    2021-4-24u2002·u2002A road roller takes 750 complete revolutions to move once over to level a road. Find #h area of the road if the diameter of the road roller is 84 cm and its length is 1 m.

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  • CBSE NCERT Solution for Class 8 - Maths - Mensuration

    A road roller takes 750 complete revolutions to move once over to level a road. Find the area of the road if the diameter of a road roller is 84 cm and length 1 m. Answer: Given: Diameter of road roller = 84 cm. So, Radius of road roller (r) = 84/2 = 42 cm. Length of road roller (h) = 1 m = 100 cm. Curved surface area of road roller = 2πrh

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  • Class 8

    2021-8-14u2002·u20029. A road roller takes 750 complete revolutions to move once over to level a road. Find the area of the road if the diameter of a road roller is 84 cm and length 1 m. Solution: Diameter of road roller, d = 84 cm. Radius of road roller, r = d/2 = 84/2 = 42 cm. Length of road roller, h = 1 m = 100 cm. Formula for Curved surface area of road ...

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  • Daniel is painting the walls and ceiling of a cuboidal ...

    A road roller takes 750 complete revolutions to move once over to level a road. Find the area of the road if the diameter of a road roller is 84 cm and length is 1 m. Explore math program

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  • (PDF) Fundamentals of Physics Textbook.pdf

    Walker, Jearl Fundamentals of physics Jearl Walker, David Halliday, Robert Resnick—10th edition. volumes cm Includes index. ISBN 978-1-118-23072-5 (Extended edition) Binder-ready version ISBN 978-1-118-23061-9 (Extended edition) 1.

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  • NCERT Solutions for Class 8 Maths Exercise 11.3 Chapter

    9. A road roller takes 750 complete revolutions to move once over to level a road. Find the area of the road if the diameter of a road roller is 84 cm and length 1 m. Solution: Diameter of road roller, d = 84 cm. Radius of road roller, r = d/2 = 84/2 = 42 cm. Length of road roller, h = 1 m = 100 cm. Formula for Curved surface area of road ...

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  • Class 8 NCERT Solutions - Chapter 11 Mensuration ...

    2020-11-26u2002·u2002A road roller takes 750 complete revolutions to move once over to level a road. Find the area of the road if the diameter of a road roller is 84 cm and length is 1 m. Solution: Diameter of road roller (d) = 84 cm. Radius of road roller (r) = d 2 = 84 2 = 42 cm. Length of road roller (h) = 1 m = 100 cm. Curved surface area of road roller = 2πrh

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  • A road roller takes 500 complete revolutions to move once ...

    2020-6-17u2002·u2002A road roller takes 500 complete revolutions to move once over to level a road of area 1650 m^2.If the length of the road roller is 1.5 m, find its radius.(Take 22/7 for …

    Get Price
  • NCERT Solutions for Class 8 Maths Chapter 11

    2021-7-3u2002·u2002A road roller takes 750 complete revolutions to move once over to level a road. Find the area of the road if the diameter of a road roller is 84 cm and length is 1m. Answer: Radius of the roller = (frac{84}{2}) = 42cm Length of the roller = 1 m = 100 cm Lateral surface area = 2 π rh sq unit [road roller …

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  • NCERT Solutions for Class 8 Math Chapter 11 - Mensuration

    A road roller takes 750 complete revolutions to move once over to level a road. Find the area of the road if the diameter of a road roller is 84 cm and length is 1 m. Answer: In one revolution, the roller will cover an area equal to its lateral surface area. ... In 750 revolutions, area of the road covered =

    Get Price
  • NCERT Solutions for Class 9 Maths Chapter 13 Surface

    It takes 500 complete revolutions to. move once over to level a playground. Find the area of the playground in m 2? (Assume π = 22/7) Solution: A roller is shaped like a cylinder. Let h be the height of the roller and r be the radius. h = Length of roller = 120 cm. Radius of the circular end of roller = r = (84/2) cm = 42 cm. Now, CSA of ...

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  • Ex 13.2, 4 - The diameter of roller is 84 cm and its length

    2018-5-29u2002·u2002Transcript. Ex 13.2, 4 The diameter of a roller is 84 cm and its length is 120 cm. It takes 500 complete revolutions to move once over to level a playground.

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  • Ask Answer - Mensuration - Popular Questions for School ...

    2014-12-2u2002·u2002A road roller takes 750 complete revolutions to move once over to level a road. Find the area of the road if the diameter of a road roller is 84 cm and length is 1 m. Answer 1

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  • NCERT Solutions for Class 9 Maths Chapter 13 Surface

    2019-6-8u2002·u2002The diameter of a roller is 84 cm and its length is 120 cm. It takes 500 complete revolutions to move once over to level a playground. Find the area of the playground in m 2. Solution: We have, diameter of a roller = 84 cm r = radius of a roller = 42 cm h = 120 cm To cover 1 revolution = Curved surface area of roller = 2πrh

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  • The diameter of a roller is 84 cm and its length is 120 cm ...

    2017-11-9u2002·u2002Radius of the roller (r) = 84 2 cm = 42 cm . Length of the roller (h) = 120 cm . Curved surface area of the roller = 2πrh = 2 × 22 7 × 42 × 120 cm 2 = 44 × 720 cm 2 = 31680 cm 2 . ∴ area covered by the roller in 1 revolution = 31680 cm 2 . ∴ area covered by the roller in 500 revolutions = 31680 × 500 cm 2 = 15840000 cm. Hence, area of the playground = 15840000 100× 100 m 2 = 1584 ...

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  • Mensuration, Popular Questions: CBSE Class 8 MATH, Math ...

    2014-2-19u2002·u2002A road roller takes 750 complete revolutions to move once over to level a road. Find the area of the road if the diameter of a road roller is 84 cm and length is 1 m. Answers 1 . ... the diameter of the roller 120 cm long is 84 cm. if it takes 500 complete revolutions to level a playground, determine the cost of levelling at the rate of 30 ...

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  • NCERT Solutions CHAPTER - 11

    2021-3-9u2002·u2002A road roller takes 750 complete revolutions to move once over to level a road. Find the area of the road if the diameter of a road roller is 84 cm and length 1 m.

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  • NCERT Solutions for Class 8 Maths Chapter 11 Mensuration

    2021-1-22u2002·u20029. A road roller takes 750 complete revolutions to move once over to level a road. Find the area of the road if the diameter of a road roller is 84 cm and length 1 m. Answer Diameter of road roller = 84 cm ∴ Radius of road roller (r) = d/2 = 84/2 = 42 cm Length of road roller (h) = 1 m = 100 cm Curved surface area of road roller = 2πrh

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  • NCERT Solutions for Class 8 Maths Exercise 11.3 ...

    2018-6-27u2002·u20029. A road roller takes 750 complete revolutions to move once over to level a road. Find the area of the road if the diameter of a road roller is 84 cm and length 1 m. Ans. Given: Diameter of road roller = 84 cm Radius of road roller = 42 cm. Length of road roller = 1 m = 100 cm. Curved surface area of road roller = = = 26400 cm 2

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  • (Class VIII) Exercise 11 - Tiwari Academy

    2020-1-14u2002·u2002A road roller takes 750 complete revolutions to move once over to level a road. Find the area of the road if the diameter of a road roller is 84 cm and length 1 m. Answer 9: Given: Diameter of road roller = 84 cm ? Radius of road roller 84 22 d r = 42 cm Length of road roller h = 1 m = 100 cm Curved surface area of road roller = 2Srh = 22 2 42 ...

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  • NCERT Solutions for Class 8 Maths Chapter 11 Mensuration ...

    2021-10-14u2002·u2002A road roller takes 750 complete revolutions to move once over to level a road. Find the area of the road if the diameter of a road roller is 84 cm and length is 1 m. Solution: Road roller is a cylinder whose radius, Ex 11.3 Class 8 Maths Question 10.

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  • Tiwari Academy - A Step towards free Education

    2020-1-14u2002·u2002A road roller takes 750 complete revolutions to move once over to level a road. Find the area of the road if the diameter of a road roller is 84 cm and length 1 m. Answer 9: Given: Diameter of road roller = 84 cm d 84 Radius of road roller (r) = …

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  • NCERT Solution for class 8 maths chapter 11 Mensuration

    A road roller takes 750 complete revolutions to move once over to level a road. Find the area of the road if the diameter of a road roller is 84 cm and length 1 m. Solution : Given: Diameter of road roller = 84 cm Radius of road roller = 42 cm Length of road roller = 1 m = 100 cm Curved surface area of road roller = = = 26400 cm2 Area covered ...

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  • Class 8

    2021-8-14u2002·u20029. A road roller takes 750 complete revolutions to move once over to level a road. Find the area of the road if the diameter of a road roller is 84 cm and length 1 m. Solution: Diameter of road roller, d = 84 cm. Radius of road roller, r = d/2 = 84/2 = 42 cm. Length of road roller, h = 1 m = 100 cm. Formula for Curved surface area of road ...

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  • Daniel is painting the walls and ceiling of a cuboidal ...

    A road roller takes 750 complete revolutions to move once over to level a road. Find the area of the road if the diameter of a road roller is 84 cm and length is 1 m. Explore math program

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