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Section 2.3 Proving Theorems

Section 2.3 Proving Theorems. WARM UP. STATEMENTS REASONS. 1. Given. 2. Angle Addition Postulate. 3. Addition Prop. 4. Substitution. A. M. MIDPOINT. Midpoint Theorem. B. A. M. B. STATEMENTS REASONS. ½ AB. Midpoint Theorem.

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Section 2.3 Proving Theorems

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  1. Section 2.3 Proving Theorems

  2. WARM UP

  3. STATEMENTS REASONS 1. Given 2. Angle Addition Postulate 3. Addition Prop 4. Substitution

  4. A M MIDPOINT Midpoint Theorem B

  5. A M B STATEMENTS REASONS ½ AB

  6. Midpoint Theorem Definition of a Midpoint: is the point that divides the segment into two congruentsegments.

  7. X B C Angle Bisector Theorem A

  8. Angle Bisector Theorem Definition of Angle Bisector: A ray that divides the angle in two congruent angles.

  9. Practice Problems • Page 42 #9, 10 • Page 45 #1-9

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