Math, asked by aamnarizvi0, 10 months ago

plz plz answer this question

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Answered by amn96

Radius of the roller (r) = 84/2=42
Length of the roller (h)=120cm
CSA of the roller =2||rh
2 x 22/7x42x120cm2=44x720cm2=31680cm2
Area covered by the roller in 1 revolution =31680cm2
Area covered by the roller in 500 revolution =31680x500cm2=15840000cm

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