Question

please help me to solve this answer​

Answer 1

Answer:

6.28 Sq cm

Explanation:

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Answer 2

Answer:

none of these is the correct option

area of non shaded part = 1/2 × 3.14 × 4 = 6.28

area of full semicircle = 1/2 × 3.14 × 16 = 24.8

area of shaded part = 24.8 - 6.28 = 18.52 so none of these