Question

AC is a diameter, points B and D are on the circle, the measure of arc AB=60º, and m∠ACD=40º. Find the measure of arc BC

Answer 1

I just gave you the answer to this problem.

Answer 2

You had to find out 180 - 90 - 40.

Answer 3

its not the same problem

Answer 4

Oh...ok..Its the same figure and information.

Answer 5

Arc AC = 180 degrees (half the circle). Since arc AB is given, you just have to subtract that from 180.

Answer 6

thanks