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22 Cards in this Set
- Front
- Back
CPCTC
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Corresponding Parts of Congruent Triangles are Congruent.
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Triangle Congruence Postulate
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Triangls are congruent if they share teh following sides: ASA, SAS, SSS.
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Exterior Angle
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Formed by extending one of teh sides of the a triangle.
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Remote Interior Angle
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Two angles inside the triangle and opposite the exterior angle.
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Altitude
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A perpendicular segment from a vertex of a triangle to the line that contains the opposite side.
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Median
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A segment that connects a vertex of a triangle to the midpoint of the opposite side.
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Midline
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A segment that connects the midpoints of two sides.
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Conditional
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Another name for an if-then statement.
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Hypothesis
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The part of a conditional statement following the if.
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Conclusion
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The part of a conditional statement following the then.
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Truth-value
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A conditional can be either true or false.
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Converse
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Switches the hypothesis and conclusion of a conditional statement.
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Biconditional
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Joining a conditional with its converse, when they are both true, with the phrase if and only if.
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Reflexive Property of Equality
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a = a
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Transitive Property of Equality
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If a = b and b = c, then a = c.
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Symmetric Property of Equality
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If a = b, then b = a.
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Vertical Angles
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Two angles whose sides form two pairs of opposite rays.
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Adjacent Angles
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Two coplanar angles with a common side, a common vertex, and no common interior points.
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Complementary Angles
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Two angles whose measures have the sum 90.
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Supplementary Angles
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Two angles whose measures have the sum 180.
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Theorem
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A statement that you prove true.
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Paragraph Proof
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Written as sentences in a paragraph.
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