Pre-Calculus Homework Solutions 94

# Pre-Calculus Homework Solutions 94 - 33. Given: Prove: R...

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33. Given: n RST > n XYZ Prove: n XYZ > n RST Proof: 34. a. Given b. Given c. Congruence of segments is reflexive. d. Given e. Def. of ' lines f. Given g. Def. of ' lines h. All right ? are > . i. Given j. Alt. int. ? are > . k. Given l. Alt. int. ? are > . m. Def. of > n s 35. Given: n DEF Prove: n DEF > n DEF Proof: 36. / SMP > / TNP , / MPS > / NPT 37. Sample answer: Triangles are used in bridge design for structure and support. Answers should include the following. • The shape of the triangle does not matter. • Some of the triangles used in the bridge supports seem to be congruent. 38. B; by the order of the vertices in the triangle names, A w C w > X w Z w 39. D; DF 5 Ï [3 2 ( w 2 5)] 2 w 1 ( 2 7 w 2 4) 2 w 5 Ï 64 1 1 w 21 w or Ï 185 w Page 198 Maintain Your Skills 40. x 1 40 5 ¬ 115 41. x 1 42 5 ¬ 100 x 5 ¬ 75 x 5 ¬ 58 42. x 1 x 1 30 5 ¬ 180 2 x 5 ¬ 150 x 5 ¬ 75 43. B w C w > C w D w , so BC 5 CD . 2 x 1 4 5 ¬ 10 2 x 5 ¬ 6 x 5 ¬ 3 BC 5 2 x 1 4 5 2(3) 1 4 or 10 CD 5 10 BD 5 x 1 2 5 3 1 2 or 5 44. n HKT is equilateral, so H w K w > H w T w hence HK 5 HT .
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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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