Math, asked by mahakagrawal, 11 months ago

The perimeter of a semicircular protractor is 180 cm.Find the diameter of the protractor

Answers

Answered by vinay2699

2

perimeter of a Semicircle =36r/7

so 36r/7=180

r=180*7/36=35

d=2r=2*7=14cm

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