Question

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Refer to the attachment and give detailed answer.

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Answer 1

Step-by-step explanation:

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Answer 2

Question:-

The boundary of the shaded region in the given figure consists of three semicircles, the smaller being equal. If the diameter of the larger on is 28 cm, find

(i) the length of the boundary

(ii) the area of the shaded region.

(i) Answer:-

$= \frac{22}{7} = (14 + 2(7) \\ = \frac{22}{7} \times 28 = 4 \\ = 88$

(ii) Answer:-

$\pi \: {r}^{2} \\ = \frac{22}{7} \times 14 \\ = 22 \: \times 2 \\ = 44 \times 4 \\ = 176$

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