1. Chapter 9
Section-6
Angles
Other

2. A
Theorem 9-9: The measure of an angle formed by 2 chords that intersect inside a circle is equal to half the sum of the measures of the intercepted arcs B 1 D C

3. Theorem 9-10: The measure of an angle formed by 2 secants, 2 tangents, or a secant and tangent drawn from a point outside of the circle is equal to half the difference of the measures of the intercepted arcs
Case I
Case II
Case III D B C 2 A B D C 1 B A C 3

4. 120º
100º A A D B 1
75º
160º C C B

5. B D 1 C

6. (5x+6)º D A A S D X
94º B Y C C B
(2x)º

7. D E B 8 6 3 5 7 4 2 1
100º
30º A C O
25º G

8. Section 9.6 Written Exercises (p. 359-360) #1-24 (all)
:9-6 Angles & Segments: Homework
Homework:
Section 9.6 Written Exercises (p ) #1-24 (all)
9.5 Practice worksheet