Question

a road roller takes 750 complete revolutions to move once over to level a road find the area of the road if if the diameter of a road roller is 84 cm and length is 1 metre​

Answer 1

Answer:

firstly we will find CSA of roller

22÷7 × 42 × 42 ×1

1764

total revolution = 750

1764 ×250

132300 ÷ 100

1323 is ans

Answer 2

Answer:

198

Step-by-step explanation:

I Hope My Answer Will Help You

Note : Roller in the Shape of Cylinder

And CSA of cylinder is 2pirh