Math, asked by samalminaketan542, 3 months ago

The sector of a circle has radius of 21 cm and central angle 135º. Find its perimeter.

Answers

Answered by coolanita1986a49

0

Answer:

Perimeter of sector=

360°

θ

×2πr+2r=

360°

210°

×2×

7

22

×18+2×18

=66+36=102cm

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