How do you find the center and radius of the circle given center at (1, 2) and a diameter of 15?

2 Answers
Apr 23, 2017

The center is already given.

Explanation:

The radius is half the diameter, so #r=15/2=7.5#

Apr 23, 2017

Center = (1,2) and r = 15/2

Explanation:

Well you seem to already have the center: (1,2), and the radius of a circle is half of the diameter, so 15/2.

Do you mean graphically?