Question

solution of (find the perimeter of ............​

Answer 1

Answer:

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Answer 2

Step-by-step explanation:

perimeter of the given figure

= πr + 2r

where,

r is the radius of the semicircle

r = 20/2

= 10 cm

putting the value,

perimeter = 3.14(10) + 2(10)

= 31.4 + 20

= 51.4 cm