The diameter of a circle is 5 ft. What is the area of the circle?
May 23, 2018 · You need to know the formula for calculating the area of a circle: πr2. So if you know that the diameter is 5 ft, you can calculate the radius. The radius the measurement in a circle from the middle to an outer edge: this means that r = d 2. So therefore, 5 2 = 2.5f t. Now we can calculate the area using the formula. 2.52 = 6.25.
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