Calculate the area of a circle whose diameter is 10 cm long.
| February 28, 2021 | education
Find the area of a circle by the formula S = (пD ^ 2) / 4. The diameter of the circle is known, we take the number n = 3, then the area of the circle will be:
S = (3 * 10 ^ 2) / 4;
S = (3 * 100) / 4;
S = 300/4 $
S = 75 cm²
Answer: The area of a circle with a diameter of 10 centimeters is 75 square centimeters.
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