The diameter of a garden roller is 2m and it is 3m long. How much area will it cover in 5 revolutions?
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Step-by-step explanation:
Radius of roller = 2/2 = 1m
Height of roller = 3m
Area it will cover in 1 revolution = It's CSA = 2×pi×r×h = 2×22/7×1×3 = 132/7 sq. metres
so, area it will cover in 5 revolutions = 5×132/7 = 94.285 sq. metres
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