Question

A circle has a center at (3,5). The point (3,8) is on circle. What is the circumstance of the circle to the nearest tenth of a unit

Answer 1

The distance between these two points will be the radius of the circle.

8 - 5 = 3

So the radius is 3.

C = 2πr

C = 2π(3)

C ≈ 18.8