Diameter of a garden roller is 14 m and it is 2m long. How much area will it cover in 10 revolutions?
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Answer:
880m^2
Step-by-step explanation:
r = 7 m, h = 2m
area covered by roller in 1 revolution = CSA of cylinder
CSA = 2 x 22 x 7 x 2 / 7
= 88m^2
area covered by roller in 10 rev = 88 x 10 = 880m^2
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