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

Just fill in the form below, click submit, you will get the price list, and we will contact you within one working day. Please also feel free to contact us via email or phone. (* is required).

• ### 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 …

Get Price
• ### 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.

Get Price
• ### 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 ...

Get Price
• ### 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.

Get Price
• ### 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)

Get Price
• ### 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

Get Price
• ### 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 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.

Get Price
• ### 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

Get Price
• ### 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.

Get Price
• ### 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 ...

Get Price
• ### 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

Get Price
• ### 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 …

Get Price
• ### 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 ...

Get Price
• ### 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.

Get Price
• ### 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

Get Price
• ### 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

Get Price
• ### 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 ...

Get Price
• ### 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 ...

Get Price
• ### 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

Get Price
• ### 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 …

Get Price
• ### 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 ...

Get Price
• ### 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.

Get Price
• ### 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

Get Price
• ### 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

Get Price
• ### 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 ...

Get Price
• ### 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.

Get Price
• ### 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

Get Price
• ### 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.

Get Price
• ### 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 ...

Get Price
• ### 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 …

Get Price
• ### 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.

Get Price
• ### 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

Get Price
• ### 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 ...

Get Price
• ### 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

Get Price
• ### (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.

Get Price
• ### 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 ...

Get Price
• ### 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

Get Price
• ### 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 …

Get Price
• ### 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 ...

Get Price
• ### 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.

Get Price
• ### 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

Get Price
• ### 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

Get Price
• ### 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 ...

Get Price
• ### 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 ...

Get Price
• ### 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.

Get Price
• ### 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

Get Price
• ### 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

Get Price
• ### (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 ...

Get Price
• ### 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.

Get Price
• ### 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) = …

Get Price
• ### 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 ...

Get Price
• ### 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 ...

Get Price
• ### 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

Get Price