Question

The diameter of a circle whose area is 15sq cm

Answer 1

Answer:

area of a circle =

$area \: of \: a \: circle = \pi {r}^{2} \\ \\ \pi {r}^{2} = 15 \\ {r}^{2} = 15 \div 3.14 \\ r = \sqrt{4.777 } \\ r = 2.185$

Answer 2

Step-by-step explanation:

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