Area of a Circle
P = 4(s)
The formula for finding the area of a circle is:
A = πr^2
where A is the area, r is the radius, and π is a mathematical constant (approximately equal to 3.14159).
To use this formula, simply square the radius of the circle and multiply it by π. For example, let’s say we have a circle with a radius of 5 centimeters. To find its area, we would plug in the value of the radius into the formula:
A = πr^2
A = π(5)^2
A = 78.54 cm^2
Therefore, the area of the circle is approximately 78.54 square centimeters.
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