Skills Practice Workbook - Glencoe

3–7
Perpendicular Lines
NAME DATE PERIOD
Skills Practice
��� AB ⊥ ��� BE ,FC ��� ⊥ ��� BE , and point X is the
midpoint of A�C�. Determine whether each of the
following is true or false.
1. �XCB � �DCE true
2. �BCY is a right angle. true
3. �FCE and �FCX are supplementary. false
4. ��� AB ⊥ ��� BC true
5. �FCD is a right angle. false
6. �FCX and �XCB are complementary. true
7. m�WBZ � m�WBA false
8. ��� FC is the only line ⊥ to ��� WE at C true
9. �FCE and �YCE are supplementary. true
10. A�X� � X�C� true
11. �FCD � �WBA false
12. A�X� � F�C� false
13. ��� AB ⊥ A�C� false
14. �XCF � �DCY true
��� BM ⊥ ��� MC , �� MA and �� MD are opposite rays.
15. If m�DMC � 25, find m�AMB. 65
16. If m�AMB � 72, find m�DMC. 18
17. If m�DMC � 2x � 2 and m�AMB � 8x � 2,
find m�DMC and m�AMB. 20; 70
© Glencoe/McGraw-Hill 18 Geometry: Concepts and Applications
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