Math, asked by MohammedAmir8622, 1 year ago

radius of semicircle is 21m .find perimeter

Answers

Answered by Anonymous

Radius of semicircle = 21m.

Perimeter of semicircle

= $\pi r+2r$

=22/7 x 21 + 2 x21

=22x3+42.

=66+42

=108.

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