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22 Cards in this Set

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