Answers to Homework

1
Answers to Homework

• x 130, y 120, z 110
• x 70, y 110, z 110
• x y z 90
• x 80, y 40, z 60

2
9-6 Other Angles

• Answer to Warm Up
• 2.
• 3.
• 4.

3
Old Angles
A
C
3
F
1
D
B
E
2
Angle with Chord and Tangent
Inscribed Angle
Central Angle
4
New Angles
C
B
E
H
1
2
G
A
D
F
Two Chords
Secants and Tangents
Angle inside Add
Angle outside Subtract
5
Example Circle O
D
125
B
6
C
35
30
E
25
62.5
8
62.5
27.5
5
3
O
A
F
4
7
2
1
90
80
117.5
100
80
100
G
6
Try On Own

• In Textbook
• Page 358 1-9 Classroom Exercises
• Answers
• 35
• 40
• 137.5
• 80
• 45
• 40
• 50
• 130
• 122

7
Homework

• Page 359 1-21