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| The reasoning we use to arrive at an educated guess, or conjecture |
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| If you come up with an illustration to show the conjecture is false |
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| "If" part is the hypothesis and the "then" part is the conclusion. |
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| a conditional you switch the hypothesis and the conclusion(flip it) |
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| change a statement to its opposite |
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| to make the statement not true (adding not) |
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| coming up with the logical conclusion based on the true statements |
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| If a conditional and its conditional and its converse is true, then the statement can be combined. |
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| segments, PQ=PQ angles m<1=m<1 |
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| segment, HG=JK and JK=LM then GH=LM and angles m a = m b and m b = m c |
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| a=b then a maybe replaced by b in any equation expression |
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| addition and Subtraction property |
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| if a=b then a+b=b+c and a-c=b-c |
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| multiplication and division property |
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| if a=b then a(c)=b(c) and a/c=b/c |
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| Congruent segments / angles |
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| angles across from each other and are congruent |
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| 2 or more angles that add up to 90 degrees |
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| 2 or more angles that add up to 180 degrees |
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| vertical angle therom card1 |
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| If 2 angles are supplementary of the same angle, then the 2 angles are congruent |
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| vertical angle therom card2 |
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| If 2 angles are complements of the same angle, then 2 angles are congruent. |
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| vertical angle therom card3 |
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| All right angles are congruent |
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| vertical angle therom card4 |
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| If 2 angles are congruent and supplementary, then each is a right angle |
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