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Unformatted text preview: 64. x +5 3x x = 30 30 = (x + 5) + 3x + (x) 30 = 5x + 5 30 – 5 = 5x + 5 – 5 25 = 5x X = 25/5 X = 5 66. <A = 5y <B = y + 6 5y + (y + 6) = 90 5y + y + 6 = 90 6y + 6 = 84 Y = 14 1.4 Introduction to Deductive Proofs 18. If I don’t have a fever then I don’t have the flue 22 If I am not don’t drink orange juice the I won’t be healthy 1.5 Formalizing Geometric Proofs 4. 1. M, n, l are lines – Given 2. <1 and < 3 are supplementary – Given 3. m<1 + m<3 = 180 – Def. of supplementary angles 4. m < 1 + m <2 = m < 1 = m<3 – Given 5. m <2 = m<3 – Supp of the same <= in measure 6. <4 and <2 are vertical angles – Given 7. < 4 = <2 – Vert <’s are = in measure 8. m<1 + m<2 = 180 – Transitive Law 28 Given PQ = RS Prove = PR = QS...
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This note was uploaded on 05/11/2011 for the course MTH 210 taught by Professor Arthur during the Winter '11 term at University of Phoenix.
 Winter '11
 Arthur
 Geometry, Geometric Proofs

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