Question

the center of the circle is at A and ABCD is a square. if BD is equal to 7cm,then find area of the circle​

Answer 1

BD = 7 cm = diameter of circle

radius = 3.5 cm

$area = 2\pi {r}^{2} \\ = 2 \times \frac{22}{7} \times 3.5 \times 3.5 \\ = 77 \: {cm}^{2}$

Answer is 77 cm^2

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