Question

Find the area of a circle whose diameter is 20 m.​

Answer 1

Answer:

d=20

r=10

area=πr²= 22×10×10/7

=314.28

Step-by-step explanation:

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Answer 2

Answer:

$area \: of \: circle = \pi {r}^{2}$

$\pi = 3.14$

Diameter = 20 m

So,radius is 10 m

A= 3.14×(10^2)

=3.14×10×10

=314 m^2