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:

Given d=84cm,l=1m=100cm

Curved surface area =2πrl=2×

7

22

×42(100)=26400cm

2

Area covered in 1 revolution of road roller =26400cm

2

Area covered by 750 revolution =26400(750)=19800000cm

2

=1980m

2