Question

Find the perimeter of the adjoining figure which is a semi circle including its diameter 14 cm

Answer 1

$Radius = \frac{14}{2} = 7 \: cm$

$Area \: Of \: SemiCircle = \frac{\pi {(r)}^{2} }{2} \\ = \frac{22}{7} \times \frac{49}{2 } \\ = 77 \: {cm}^{2}$

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