Skills Practice Workbook - Glencoe
Skills Practice Workbook - Glencoe
Skills Practice Workbook - Glencoe
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6–3<br />
NAME DATE PERIOD<br />
<strong>Skills</strong> <strong>Practice</strong><br />
Angle Bisectors of Triangles<br />
In �ACD, D�B�� bisects �ADC, and C�E�� bisects �ACD.<br />
1. If m�1 � 40, what is m�2? 40<br />
2. Find m�ACD if m�4 � 25. 50<br />
3. What is m�3 if m�ACD � 36? 18<br />
4. If m�1 � 45, what is m�ADC? 90<br />
5. What is m�DCA if m�DCE � 20? 40<br />
6. Find m�ADB if m�BDC � 39. 39<br />
7. What is m�ACD if m�4 � 18? 36<br />
8. Find m�2 if m�1 � 43. 43<br />
9. If m�3 � 21, what is m�4? 21<br />
10. What is m�ECD if m�ECA � 24? 24<br />
In �MOR, M�P� bisects �OMR, R�N� bisects �MRO, and O�S� bisects �MOR.<br />
11. Find m�6 if m�MOR � 34. 17<br />
12. What is m�OMR if m�1 � 23? 46<br />
13. If m�3 � 55, what is m�4? 55<br />
14. What is m�MOS if m�MOR � 32? 16<br />
15. Find m�1 if m�2 � 27. 27<br />
16. If m�4 � 60, what is m�MRO? 120<br />
17. What is m�SOR if m�6 � 15? 15<br />
18. If m�MRP � 112, what is m�3? 56<br />
19. Find m�OMP if m�PMR � 30. 30<br />
20. What is m�4 if �MRO is a right angle? 45<br />
© <strong>Glencoe</strong>/McGraw-Hill 33 Geometry: Concepts and Applications<br />
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