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1) A road roller takes 750 complete revolutions to move once over to level a road, if thediameter of a road roller is 84cm and length is 1m, find the area of road.​

Answer»

Step-by-step EXPLANATION:

Answer

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 x100

42 ×1

= 100

1500×132

=1980m 2

please do follow



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