A road roller takes 500complete revolutions to move once over to level a road. Find the area of the road if the diameter of a road roller is 84cm and length is 1 m.
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Answer:
Given:
⇒D=84 cm,l=1m
⇒r=42cm
⇒Area of road covered in 1 revolution =2πrl =2×
7
22
×42×1=
100
264
sq m
⇒Area of road covered in 750 revolution = 750×(
100
264
) =1980 sq m
Explanation:
i hope it helps you.....
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