Area of a Circle
A circle is a geometric shape which has a radius or diameter, this kind of shape has been shown below. The following formula is the formula which can be used to find the area of any circle.
Area of a circle = πr2
where r is radius and π is 3.14159…
Example
Find the area for the following shape
we know that diameter is 16cm this means radius is 8 cm.
So;
Area = π x 82 = 64π cm2
It is as simple as that to find the area of a circle.
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