To prove Theorem 12-11, there are three cases to consider.
I: The center is on a side of the angle. |
II: The center is inside the angle. |
III: The center is outside the angle. |
Below is a proof of Case I. You will prove Case II and Case III in Exercises 26 and 27.
Proof of Theorem 12-11, Case I
Given:
Prove:
Draw radius OA to form isosceles
What are the values of a and b?
Which variable should you solve for first?
You know the inscribed angle that intercepts
In
What are