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22 Cards in this Set
 Front
 Back
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 ifthen statement.


Hypothesis

The part of a conditional statement following the if.


Conclusion

The part of a conditional statement following the then.


Truthvalue

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.
