Question

The area of a circle is 98.56 cm. Find its circumference​

Answer 1

ANSWER

$Area \: of \: the \: circle = \pi {r}^{2} = 98.56 \: {cm}^{2} \\ 3.14 {r}^{2} = 98.56 \\ {r}^{2} = 31.36 \\ r = 5.6 \: cm \\ Circumference \: of \: the \: circle = 2\pi \: r \\ 2 \times 3.14 \times 56 = 35.2 \: cm$

Circumference of the circle is 35.2 cm.

Answer 2

Answer:

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