Math, asked by sreenidhisuraj26, 1 year ago

find the area covered by land roller in i revolution if the diameter of a circular end is 91 cm and width of the roller is 130 cm.how many revolution will it make to cover an area off 7436 cm^2

Answers

Answered by Krakler

Since diameter is 91, the radius is half of it i.e. 91/2.
Width=Length=Height=130
CSA of cylinder=2\pirh=2*22/7*91/2*130
CSA=37180,
The no of revolutions=37180/7436=5

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