Skills Practice Workbook - Glencoe

3–5
NAME DATE PERIOD
Skills Practice
Complementary and Supplementary Angles
Refer to the figures at the right.
1. Name a pair of complementary angles.
�BOD, �DOF
2. Name two right angles. �BOJ, �BOF
3. Name three pairs of adjacent supplementary
angles. �JOB, �BOF; �JOD, �DOF;
�JOH, �HOF
4. Find the measure of an angle that is
complementary to �JOH. 5
5. Find the measure of an angle that is
supplementary to �DOF. 147
6. Find the measure of �BOH. 175
7. Name a pair of complementary angles.
�WMR, �RMS or �SMT, �TMZ
8. Name two right angles. �WMS, �ZMS
9. Find the measure of an angle that is
complementary to �YMZ. 58
10. Find the measure of an angle that is
supplementary to �WMT. 60
11. Find the measure of �XMY. 28
Exercises 7-13
12. Is �YMT a right angle? Justify your answer. No, its measure is 32 � 60, or 92.
13. Find the measure of an angle that is
supplementary to �XMR. 25
14. Find m�3 if �3 and �4 form a linear pair and m�4 � 55. 125
15. If �1 and �2 form a linear pair and m�1 � 130, find m�2. 50
16. Angles DEF and XYZ form a linear pair. If m�DEF � 170, what is m�XYZ? 10
17. If �4 and �8 are complementary and m�4 � 45, find m�8. 45
18. If m�3 � 10 and �3 and �7 are complementary, what is m�7? 80
57°
O 33°
85° 95°
© Glencoe/McGraw-Hill 16 Geometry: Concepts and Applications
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Exercises 1-6
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32° 120°
60° 35°
55°
30°
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