inscribed angles and theorems Flashcards
1
Q
What is theorem 12-11?
A
The measure of an inscribed angle is half the measure of its intercepted arc
2
Q
What is corollary 1 of theorem 12-11?
A
If two inscribed angles intercept the same arc, the angles are congruent
3
Q
What is corollary 2 of theorem 12-11?
A
An angle that is inscribed in a semicircle is always a right angle
4
Q
What is corollary 3 of theorem 12-11?
A
When a quadrilateral is inscribed in a circle, the opposite angles are supplementary
5
Q
What is theorem 12-12?
A
The measure of an angle formed by a tangent and a chord is half the measure of its intercepted arc