SOLUTION: Points A, B, and C lie on the circumference of a circle. AB is twice the radius of the circle. Find m(angle)ACB.

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Question 985460: Points A, B, and C lie on the circumference of a circle. AB is twice the radius of the circle. Find m(angle)ACB.
Answer by ikleyn(52794) About Me  (Show Source):
You can put this solution on YOUR website!

Answer.  90°.

Solution

Since  AB  is twice the radius of the circle,  AB  is the diameter of the circle.

The angle  LACB  is  90°,  because it leans on the diameter.