Math, asked by nadeemsaifi0355, 6 months ago

If the diameter of
protactor is 21cm, the find its perimeter

Answers

Answered by gopalpvr

0

Step-by-step explanation:

shape of a protractor is Semi circle

perimeter of semicircle = perimeter of protractor =πr+2r

22/7*21+2*21

=66+42

=106 cm

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