Pre-Calculus Homework Solutions 9

# Pre-Calculus Homework Solutions 9 - 9. QT bisects RQS, so...

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9. QT #\$ bisects / RQS , so / RQT > / SQT . m / RQT 5 m / SQT 6 x 1 5 5 ¬ 7 x 2 2 6 x 1 7 5 ¬ 7 x 7 5 ¬ x m / RQT 5 6 x 1 5 5 6(7) 1 5 5 42 1 5 or 47 10. QT #\$ bisects / RQS , so / RQT > / TQS and m / RQS 5 2 ? m / RQT . 22 a 2 11 5 ¬ 2(12 a 2 8) 22 a 2 11 5 ¬ 24 a 2 16 22 a 1 5 5 ¬ 24 a 5 5 ¬ 2 a } 5 2 } 5 ¬ a m / TQS 5 m / RQT 5 12 a 2 8 5 12 1 } 5 2 } 2 2 8 5 30 2 8 or 22 11. / 1, right; / 2, acute; / 3, obtuse Pages 34–35 Practice and Apply 12. E 13. B 14. A 15. A 16. D w A w , DB #\$ 17. A w B w , AD #\$ 18. ED #\$ , EG #\$ 19. AD #\$ , AE #\$ 20. / ABC , / CBA 21. / FEA , / 4 22. / 2, / DBA , / EBA , / ABE , / FBA , / ABF 23. / AED , / DEA , / AEB , / BEA , / AEC , / CEA 24. D , H 25. / 2 26. Sample answer: / 4, / 3 27. AD #\$ bisects / EAB so / 5 > / 6. m / 5 5 ¬ } 1 2 } m / EAB 5 ¬ } 1 2 } (60) 5 ¬ 30 m / 6 5 ¬ m / 5 5 ¬ 30 28. / BFD is marked with a right angle symbol, so m / BFD 5 90; / BFD is a right angle. 29.
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## This note was uploaded on 12/19/2011 for the course MAC 1140 taught by Professor Dr.zhan during the Fall '10 term at UNF.

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