Question

9. Find the area of a circle whose radius
is 4 cm:​

Answer 1

Radius = 4cm

Area of circle =

$Area \: of \: circle \: = \pi {r}^{2} \\ \: \: \: \: \: \: \: = \frac{22}{7} \times 4 \times 4 \\ = \frac{22}{7} \times 16 \\ = 50.28 {cm}^{2}$

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