If m 2 = m 3 and m 3 = m 1, then m 2 = m 1. If AC = AB + BC, then AB + BC = AC.

Question

If m 2 = m 3 and m 3 = m 1, then m 2 = m 1. If AC = AB + BC, then AB + BC = AC. m ABC = m ABC Items 30-37; In the diagram below AC = BD. Fill in the reasons to show CD = AB Given: AC = BD Prove: CD = AB AC = BD AC = AB + BC AB + BC = BD BD = BC + CD AB + BC = BC + CD AB = CD CD = AB CD = AB Indicate whether the statement is true or false by circling the appropriate letter. T F A theorem is a statement that can be proven using definitions, properties, postulates, and previously proven theorems. T F Unlike a theorem, a postulate is a rate that is accepted without proof.

Explanation / Answer

28;- Segment addition postulate

36:- Subtraction property of equality

37:- Definition of congruent segments

38:- T

39:- T

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