Area = r^2 * 3.14
87.9/3.14 = around 28
Square root of 28 = 5.3
The radius is 5.3
Circumference: diameter * 3.14
5.3 + 5.3 = 10.6
10.6 * 3.14 = 33.3
The circumference is 33.3
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;

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