4 years ago

What is the area of a semi circles with the diameter 20

1 answer:

8 0

The area of circle can be found using the formula πr² and since we know that semi circle is half the circle so its formula will be 1/2πr².

First we will find the radius.

20/2 = 10

Radius is 10.

A = 1/2(3.14)(10)²
A = 157

Hope this helps :)

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