Calculate the area of a circle whose diameter is 14m.
| June 21, 2021 | education
The area of a circle is determined by the formula:
S = 1 / 4nD ^ 2, where
n is a constant value equal to the ratio of the perimeter to the diameter of the circle;
D – diameter.
The diameter is known, we take n = 3.14 and find the area of the circle:
S = 1/4 * 3.14 * 14 ^ 2
S = 1/4 * 3.14 * 196
S = 153.86 m2
Answer: The area of the circle is 153.86 m2
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