Question

Sector of a circle of radius 10 cm find the perimeter of the sector

Answer 1

Step-by-step explanation:

given,

radius of sector of circle = 10cm

perimeter of the sector =?

Formula = 1/4πr^2

= 1/4*22/7*10*10

= 22*10*10/4*7

= 22*5*10/2*7

= 22*50/14

= 1100/14

= 78.57

So, perimeter of the sector = 78.57cm

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