Name _____________________________ Date ___________________ Angle Relationships Complete. 1. 2. Name a pair of adjacent angles. 4. 3. Name a pair of supplementary angles. 5. Name a pair of vertical angles. 7. 6. Name a pair of adjacent angles. 8. Name a pair of vertical angles. 10. Name a pair of vertical angles. 9. Name a pair of complementary angles. 11. Name a pair of vertical angles. Name a pair of complementary angles. Name a pair of supplementary angles. 12. Name a pair of complementary angles. Name a pair of adjacent angles. Name _____________________________ Date ___________________ Classify Triangles Classify each triangle as isosceles, scalene, or equilateral and as right, acute, or obtuse. 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12. 13. 14. 15. 16. Answer Key 0878781 1. 2. isosceles; acute 5. 3. isosceles; obtuse 6. equilateral; acute 9. 7. 10. 13. isosceles; obtuse equilateral; acute scalene; obtuse 12. isosceles; acute 15. scalene; right scalene; right 8. 11. 14. isosceles; right isosceles; right scalene; right scalene; acute 4. equilateral; acute 16. isosceles; acute equilateral; acute Answer Key 0435349 1. 2. Name a pair of adjacent angles. ZTH and ZTD, ZTD and DTC, DTC and 3. Name a pair of supplementary angles. Name a pair of complementary angles. HYU and HYX NTC, NTC and ZTD and ZTH HTN, 4. URH and and PRC PRH, PRH 5. Name a pair of vertical angles. CVL and MVJ 7. 6. Name a pair of adjacent angles. LMY and LMP, LMP and PMJ, PMJ and GMJ, GMJ and YMG, LMP and LMY 8. Name a pair of vertical angles. RCF and ZCP 10. 9. Name a pair of complementary angles. DKV and DKM 11. Name a pair of vertical angles. VXF and HXM Name a pair of vertical angles. XFE and HFR Name a pair of supplementary angles. AUG and TUA, TUA and JUT 12. Name a pair of complementary angles. NVP and NVT Name a pair of adjacent angles. XEP and TEM, TEM and PET, PET and MEY, MEY and XEY, TEM and XEP
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