Question

The center and a point on a circle are given. Find the circumference to the nearest tenth.

center:(2, 2);
point on the circle: (−6, 5)

The circumference is about ?

Answer 1

Circumference ~ 53.4

Explanation:

Use the distance formula to get the radius of the circle. The radius is about 8.5. Now put 8.5 into the formula 2(pi)r for the Circumference. Rounding to the nearest tenth the answer is 53.4