Math, asked by anoushkashakshi, 1 year ago

help to find perimeter

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Answered by Revolution

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2. x=270
perimeter=2πr*x/360
=2*22/7*2.1*270/360=44/7*21*3/4=176 cm
2. x=90
perimeter=2*π*2.1*1/4
=3.29

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