Math, asked by devanshiuu, 1 year ago

find the cost of polishing the top of circular table of diameter 4.2 M if the rate of the polishing is 12 m square

Answers

Answered by sumit484629
4
area= πr square
π=22÷7
diameter =2r or radius= d÷2
so=22÷28×4.2×4.2×12

devanshiuu: thanks
devanshiuu: I have one other question
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Answered by ranjeetkumar68
3
area of circle=
\pi \: r {}^{2}
diameter=4.2m
radius=4.2/2=2.1
22/7*2.1*2.1 =22*.63=13.86


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