Question

The perimeter of the sector of a circle with radius 21cmqnd central. angle 60°​

Answer 1

Answer:

P=I+2 r

r = radius, I arc length, p = perimeter

I=x/360. x 2πr

= 60/360 x 2x22/7X2l

= 2x22x3/6=22cm

P=22+2x21

p = 22+42 = 64cm

Perimeter=64cm

Answer 2

Answer:

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Step-by-step explanation:

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