Question

A circle of diameter 20 cm pi as 3.14

Answer 1

Answer:

$dimeter =d = 20 cm \\ radius = r = \frac{d}{2} = \frac{20}{2} = 10 cm\\ area \: of \: circle = \pi {r}^{2} \\ area = 3.14 \times {10}^{2} \\ \: \: \: \: \: \: \: \: \: \: = 3.14 \times 100 \\ area = 314 \: cm$

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