Question

The diameter of a circle is 20 cm, when is its area worth ?​

Answer 1

Answer:

314.28cm²

Step-by-step explanation:

$radius = \frac{diameter}{2 } = \frac{20}{2} = 10cm \\ area \: of \: a \: circle = \pi {r}^{2 } = \frac{22}{7} \times 10 \times 10 \\ => area \: of \: circle = \frac{2200}{7} = 314.28{cm}^{2}$

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Answer 2

Answer:

Here is your answer

Given.. D = 20

R = 20/2 = 10

Find. Area of circle

Solñ =>

Area of circle = πr²

=> 22/7 × 10 × 10

=> 2200/7

=> 314.3 cm²

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