Question

Find the perimeter and area of a semi circle whose diameter is 5.6cm

Answer 1

Answer:

$perimeter \: of \: semicircle \: = \frac{\pi \: d}{2} \\ = \frac{3.14 \times 5.6}{2} \\ = 3.14 \times 2.8 \\ = 8.792 \: cm$

$area \: of \: semicircle = \pi \: d \\ = 3.14 \times 5.6 \\ = 17.584 {cm}^{2}$

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