53.5k views
4 votes
The figure below shows a circle with center C, diameter RM, secants MÒ andMÀ, and tangent ON. Which of the angles must be right angles? Select afī thatapply.

The figure below shows a circle with center C, diameter RM, secants MÒ andMÀ, and-example-1
User Mropp
by
4.1k points

1 Answer

3 votes

A tangent line is always at a right angle to the radius of the circle at the point of tangency, therefore:


undefined

User Rikkles
by
3.7k points