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12 Cards in this Set
- Front
- Back
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through any 2 points there is exactly one line |
postulate |
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through any 3 non collinear points there is exactly one plane containing them |
postulate |
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if 2 points lie in a plane, then the line containing the points lie in the plane |
postulate |
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if 2 lines intersect, then they intersect in exactly one point |
postulate |
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if 2 planes intersect, then they intersect in exactly one line |
postulate |
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if 2 angles form a linear pair, then they are supplementary |
linear pair theorem |
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if 2 angles are supplementary to the same angle (or to 2 congruent angles), then the 2 angles are congruent |
congruent supplements theorem |
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all right angles are congruent |
right angle theorem |
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if 2 angles are complementary to the same angle (or to 2 congruent angles), then the 2 angles are congruent |
congruent complements theorem |
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given collinear points A, B, C, and D arranged as shown, if seg. AB is congruent to seg. CD, then seg. AC is congruent to seg. BD. |
common segment theorem |
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vertical angles are congruent |
vertical angles theorem |
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if 2 congruent angles are supplementary, then each angle is a right angle |
theorem |
