Question

a road roller has length 2 metre and radius 77 cm find the number of revaluation required by the older to recover the area of 96.8 metre square​

Answer 1

Answer:

Hey, mate

Here's your answer :-

Length given is 2m

Radius is 77cm

Number of revolution=Cover area /Roller area.

Area of roller=2×3.14×2×77=9.68

Number of Revolution=96.8÷9.68=10

So, 10 Revolution required.

Hope it helps you.