The area of a circle is three times the circumference of the circle that is its boundary. What is the radius of such a circle?
| August 29, 2021 | education
The area of a circle has the formula S = pi * R ^ 2, the circumference is calculated by the formula C = 2 * pi * R, where R is the desired value. Knowing that the area of the circle is three times the circumference of the circle, we get the expression:
S / C = 3;
pi * R ^ 2/2 * pi * R = 3.
pi and R will cancel, we have:
R / 2 = 3;
R = 6.
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