Question

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 1

Answer:

this is your Answer hope it helps you

Step-by-step explanation:

Area of road =750× area covered in 1 revoluation

=750× lateral surface area of cylinder

=750×2πrh

Given, d=84cm⇒r=42cm→

100

42

m

h=1m

=750×2×

7

22

×

100

42

×1

=

100

1500×132

=1980m

2