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1.
1) triangle inequality theorem: The sum of any two sides of a triangle is always greater than the length of the 3rd side

2.
2) deductive proofs 5 examples: 1-Two column, 2-paragraph, 3-flow chart, 4-indirect, 5-coordinate geometry(must use slope distance and mid-point formula

3.
3) 3 more relative sets of infro for an "If-Then statement": 1-conditional, 2-IF____ then ____ 3- given hypothesis (P) prove conclusion (Q)

4.
4) theorm: Is a mathematical statement that can be proved (deductively) * if then statements

5.
5) you can't use its self to: Prove its self

6.
6) if two angle are right angles then they are congruent; Give the given and proof: Given: <a is a right <, <b is a right angle. Proof: <a =C= <b

7.
7) reflexive property: 70 = 70

8.
8) transitive prop for equality: A = B and B= c then A = C

9.
9) symmetric prop for equality: G = x (and/or) X= g

10.
10) difference between systemetric and conmmuntative: Com: +/x, sys:

11.
11) step 1) <a is a right </ <b is a right angle __ 1) given: 2) < a = 90', < b = 90' __ 2) def of right. 3) 90 = 90 __ 3) reflexive property. 4) <A =C= <b __ 4) proof

## geom 1.3Study online at quizlet.com/_3ri9f |

table

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