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### NCERT Solutions for Class 8 Maths Chapter 11

2019-10-4 · 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. Solution: The lateral surface area of the road roller = 2πrh Hence, the area

Send Inquiry### NCERT Solutions for Class 8 Maths Chapter 11

2019-6-10 · 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. Solution. Question 10. A company packages its milk powder in the cylindrical container whose base has a diameter of 14 cm and height 20 cm.

Send Inquiry### NCERT Solutions for Class 8 Maths Chapter 11

2019-10-4 · Ex 11.3 Class 8 Maths Question 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. 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.

Send Inquiry### PSEB 8th Class Maths Solutions Chapter 11 Mensuration

2021-12-14 · A road roller takes 750 complete revolutions to move once over to level a road. Find the area of the road levelled if the diameter of a road roller is 84 cm and length is 1 m. ∴ Area of covered by roller in 750 revolutions = 26400 × 750 cm

Send Inquiry### A road roller takes 750 complete revolutions to move once

2018-12-12 · Transcript. Ex 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 = r = 84/2 cm = 42 cm = 42/100 m Given, the roller takes 750

Send Inquiry### cylinder Questions and Answers TopperLearning

2019-1-18 · 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 the road roller is 84cm amd length is 1m. Asked by aulakhjiwan12 26th February 2018 7:05 PM . Answered by Expert CBSE IX 44cm Length n 18cm breath of one recangle papershit is round along its length to create a cylinder

Send Inquiry### EX 11.3 Class 8 Maths Chapter 11 NCERT Solutions for

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. Vedantu’s NCERT Solutions for Class 8 Maths Chapter 11 as well as other chapters are readily available over the internet and are created by experienced tutors. Mensuration

Send Inquiry### A Road Roller Takes 750 Complete Revolutions to Move

2 · In one revolution, the roller will cover an area equal to its lateral surface area. Thus, in 1 revolution, area of the road covered = 2πrh = 2 x `22/7` x 42 cm x 1m = 2 x `22/7` x `42/100` m x 1 m = `264/400 m^2` In 750 revolutions, area of the road covered = `(750 xx 264/100) m^2`

Send Inquiry### 📈In a hypothetical economy, current inflation-adjusted

2021-12-7 · 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 an d length is 1 m. Please help me find the area of this shape Please help me find the area of this shape

Send Inquiry### NCERT Solutions for Class 8 Maths Chapter 11

2019-6-10 · 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. Solution. Question 10. A company packages its milk powder in the cylindrical container whose base has a diameter of 14 cm and height 20 cm.

Send Inquiry### 📈In a hypothetical economy, current inflation-adjusted

2021-12-7 · 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 an d length is 1 m. Please help me find the area of this shape Please help me find the area of this shape

Send Inquiry### NCERT Solutions for Class 8 Maths Mensuration Exercise

Q9. 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. Thus, in 1 revolution, area of the road covered = 2rh = 2× 22 7 ×42cm× 1m = 2 ×

Send Inquiry### NCERT Solutions for Class 9 Maths Chapter 13 Surface

2019-6-8 · 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 = 2 x \(\frac { 22 }{ 7 }\) x 42 x 120 = 44 x 720 cm 2 = 31680 cm 2 Area of the

Send Inquiry### NCERT Solutions for Class 8 Maths Chapter 11

2019-10-4 · 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. Solution: The lateral surface area of the road roller = 2πrh Hence, the area

Send Inquiry### A road roller takes 750 complete revolutions to move class

Radius of the roller = 42 100 m. Also, given that the roller takes 750 complete revolutions to level the whole road. Therefore, the area of road = 750 (Area covered in one revolution) The area of road = 750 (Lateral surface area of cylinder) The area of road = 750 × 2 π r h. The area of road = 750 × 2 × 22 7 × 42 100 × 1 = 750 × 2 × 22

Send Inquiry### NCERT Solutions for Class 8 Maths Exercise 11.3 Chapter

2022-5-12 · 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

Send Inquiry### NCERT Solutions for Class 8 Maths Chapter 11 Exercise 11.3

Question 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. Solution. Radius(r) of road roller = 84/2 = 42 cm. Length(h) of road roller =1 m = 100 cm. Curved surface area of road roller = 2πrh = 2 × (22/7) × 42 × 100

Send Inquiry### A road roller takes 500 complete revolutions to move once

2022-1-9 · A road roller takes 500 complete revolutions to move once over to level a road. find the area of road if the d Get the answers you need, now! gudduwalia1414 gudduwalia1414 10.01.2022 Math Primary School Area of road covered in 750 revolution = 750×( 264/ 100)

Send Inquiry### a road roller takes 750 complete revolutions to

2018-2-26 · Find the total surface area of a cylinder whose radius of the base =7cm and height=20cm A metallic pipe is 0.7 cm thick. Inner radius id 3.5 cm and length is 5 dm. Find its total surface area. A silver paper covers a packet of 10

Send Inquiry### Class 8 NCERT Solutions Chapter 11

2020-11-26 · 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. Solution: Diameter of road roller (d) = 84 cm. Radius of road

Send Inquiry### Ex 13.2, 4 The diameter of roller is 84 cm and

2018-5-29 · 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. Find the area of the

Send Inquiry### MP Board Class 8th Maths Solutions Chapter 11

2019-9-30 · 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. Solution: Area covered in 1 revolution = curved surface area of cylinder ∴ Area covered in 750 revolutions = 2.64 × 750 m 2 = 1980 m 2. Question 10.

Send Inquiry### PSEB 8th Class Maths Solutions Chapter 11 Mensuration

2021-12-14 · A road roller takes 750 complete revolutions to move once over to level a road. Find the area of the road levelled if the diameter of a road roller is 84 cm and length is 1 m. ∴ Area of covered by roller in 750 revolutions = 26400 × 750 cm

Send Inquiry### a road roller takes 750 complete revolutions to

2018-2-26 · Find the total surface area of a cylinder whose radius of the base =7cm and height=20cm A metallic pipe is 0.7 cm thick. Inner radius id 3.5 cm and length is 5 dm. Find its total surface area. A silver paper covers a packet of 10

Send Inquiry### A road roller takes 750 complete revolutions to

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.

Send Inquiry### NCERT Solutions for Class 9 Maths Chapter 13 Surface

2019-6-8 · 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 = 2 x \(\frac { 22 }{ 7 }\) x 42 x 120 = 44 x 720 cm 2 = 31680 cm 2 Area of the

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