Question

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

Answer 1

radius = 3
(easy to see since the given point and the centre lie in a horizontal line)

C = 2πr = 6π units

Answer 2

I meant to say:
in a vertical line
(early morning senior moment)

Answer 3

The correct answer is 18.8 units