Skills Practice Workbook - Glencoe

7–2
Exterior Angle Theorem
Name the angles.
NAME DATE PERIOD
Skills Practice
1. an exterior angle of �ABX 2. an exterior angle of �BEA
�7 or �9 �5
3. an interior angle of �ABX 4. an interior angle of �BEA
�1, �6, or �ABX �1, �2, or �3
5. a remote interior angle of 6. a remote interior angle of
�ABX with respect to �7 �BEA with respect to �5
�1 or �ABX �1 or �2
Find the measure of each angle.
7. �C 32 8. �1 40 9. �2 122
10. �3 148 11. �4 115 12. �5 55
M
3
B
58°
A D C
A
93° 55°
Use the figure at the right.
13. Find the value of x. 50
R
14. Find m�B. 50
15. Find m�BMA. 105
16. Find m�BMZ. 75
Replace each � with �, �, or� to make a true sentence.
17. 18. 19.
A B
1
2
4
C
3
Y
E
4
3
68°
A
E
1
X
1
105° 65°
Z Y
2
47°
X
m�3 � m�1 � m�5 � m�3 � m�2 � m�4 � m�6 �
© Glencoe/McGraw-Hill 39 Geometry: Concepts and Applications
G
4 5 6
G
A
R
72°
1
50°
U
R T
135°
5
F
1
J 2
3
I
4
T
2
80°
W
B
2 4
X
35 67 C
E 98
D
B
x°
(2x � 5)°
55°
A M Z
5
6
H