Find the radius of the circle if the area of the circle is 28.26 cm2.
| January 7, 2021 | education
In order to find the radius of a circle, knowing only its area, you need to use the following formula:
R = √ (S / Pi).
Now let’s substitute the already existing area value in the formula:
R = √ (28.26 / Pi).
Pi = 3.14.
R = √ (28.26 / 3.14),
R = √9.
It remains to deduce the root of 9 and we get the answer:
R = 3.
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