Area of circle
3:4:5 and 5:12:13 and their multiples
The formula for the area of a circle is:
Area = πr²
Where r is the radius of the circle, and π (pi) is a mathematical constant with an approximate value of 3.14 (or 22/7).
To find the area of a circle, you need to square the radius (multiply it by itself) and then multiply that by π.
For example, if the radius of a circle is 4 cm, its area can be calculated as follows:
Area = πr²
Area = π x (4 cm)²
Area = 3.14 x 16 cm²
Area = 50.24 cm²
Therefore, the area of the circle with the given radius of 4 cm is 50.24 square centimeters (cm²).
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