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suter [353]
3 years ago
6

Suppose the area of a circle is 254.4696 square inches. Whats the radius of the circle (use pie=3.1416. A. 18 in. B. 81 in. C. 9

in. D. 9in 2
Mathematics
1 answer:
zalisa [80]3 years ago
6 0

Answer:

The radius of the circle is 9 in

Choice C is correct

Step-by-step explanation:

254.4696 square inches. Whats the radius of the circle (use pie=3.1416.

The area of a circle with radius r is given as;

A=\pi *r^{2}

We substitute the given area and the value of pi given to solve for the radius;

254.4696=3.1416*r^{2}\\\\r^{2}=\frac{254.4696}{3.1416}\\\\r^{2}=81\\\\r=\sqrt{81}=9\\\\r=9

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