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18 Cards in this Set
- Front
- Back
- 3rd side (hint)
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If, Then Conditonal Statement. If P, then Q.
A 90 degree angle is right. |
If and angle measures 90 degrees, then it is right.
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Converse Conditional Statement: If Q, then P
A 90 degree angle is right. |
If an angle is right, then it measures 90 degrees
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Inverse Conditonal Statement: If not P, then not Q.
A 90 degree angle is right. |
If an angle does not measure 90 degrees, then it is not right.
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Contrapositive Conditional Statement. If not Q, then not P.
A 90 degree angle is right. |
If an angel is not right, then it does not measure 90 degrees.
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Reflexive Property of Equality for Segments and Angles
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Segments:
AB=AB |
Angles:
m<A = m<A |
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Symmetric Property of Equality for Segments and Angles
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Segments:
If AB = CD, then CD = AB |
Angles:
If m<A = m<B, then m<B = m<A |
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Transitive Property of Equality for Segments and Angles
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Segments:
If GH = JK and JK = LM, Then GH = LM |
Angles:
If m<1 = m<2 and m<2 = m<3, then m<1 = m<3 |
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Reflexive Property of Congruency:
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Symmetric Property of Congruency
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Transitive Property of Congruency
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Supplement Theorem
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If two angles form a linear pair, then they are supplementary.
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Segments Congruence Theorem
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Congruence of segments is reflexive, symmetric and transitive.
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Angle Congruence Theorem
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Congruence of angles is reflexive, symmetric and transitive.
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Supplementary Congruent Angles Theorem
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Angles supplementary to the same angle or congruent angles are congruent.
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Complimentary Congruent Angles Theorem
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Angles complimentary to the same angle or to congruent angles are congruent.
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Right Angle Theorem
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All right angles are congruent.
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Vertical Angles Theorem
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Vertical angles are congruent
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Definition of Perpendicular Lines
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Perpendicular lines intersect to form four right angles.
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