Question

find a perimeter of the given figure​

Answer 1

Answer:

Formula for perimeter of semi circle = 1/2×pi×d

Therefore,

1/2 × 22/7 × 4

= 44/7

= 6.28 cm

Answer 2

Answer:

7.65

Step-by-step explanation:

Formula=πr + 2r(r-radius)

Radius=4/2=2

13.7×2 + 2×2

ANSWER=>7.65