Question

1. Find the area of a circle of radius 30 cm. (use = . ) ​

Answer 1

Area of circle=πr²

⟹22×30/7

⟹94.2

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Answer 2

Step-by-step explanation:

$area \: of \: a \: circle = \pi {r}^{2} \: sq.unit$

$= \frac{22}{ 7} \times 30 \times 30 \: \: sq.cm$

$= \frac{19800}{7} \: \: sq.cm$