tutusparkles13 tutusparkles13

03-04-2018
Mathematics

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

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hudadagra hudadagra

03-04-2018

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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