Unformatted text preview: 19 5 100 1 20 x 5 100 1 20(2) or 140 m / 20 5 20 x 5 20(2) or 40 25. Given: / A Prove: / A > / A Proof: A C B A 1 2 47 Chapter 2 Statements Reasons 1. / A is an angle. 1. Given 2. m / A 5 m / A 2. Reflexive Prop. 3. / A > / A 3. Def. of > angles Statements Reasons 1. / ABC is a right angle. 1. Given 2. m / ABC 5 90 2. Def. of rt. / 3. m / ABC 5 m / 1 1 m / 2 3. Angle Add. Post. 4. m / 1 1 m / 2 5 90 4. Substitution 5. / 1 and / 2 are complementary angles. 5. Def. of comp. ?...
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 Fall '10
 Dr.Zhan
 Calculus, PreCalculus, Angles, Harshad number, Prime number, Nontotient, Right angle, Complementary angles

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