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Published byEsther Hunter Modified over 9 years ago
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2-3: Proving Theorems
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Reasons used in Proofs Given information Definitions Postulates (Algebraic Properties included) Theorems that have already been proved
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Theorem 2-1: The Midpoint Theorem – If M is the midpoint of AB, then AM = ½ AB and MB = ½ AB Let’s Look at Proof on page 43
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Theorem 2-2: The Angle Bisector Theorem – If ray BX is the bisector of <ABC, then m < ABX = ½ m <ABC and m <XBC = ½ m < ABC Prove on your own
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Look at Example 2 on page 44
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Classwork Pg 45: 1-10 together
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Homework Pg 46: 1-8, 10-18, 19 study for quiz over 2.1-2.3
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