# Shared Flashcard Set

## Details

Geometry
Angles
12
Mathematics
09/27/2010

Term
 midpoint
Definition
 point on a segment that divides it into two congruent segments
Term
 segment bisector
Definition
 a segment, ray, line, or plane that intersects a segment at its midpoint
Term
 bisect
Definition
 a segment means to divide the segment into two congruent segments
Term
 angle bisector
Definition
 a ray that divides an angle into two angles that are congruent
Term
 supplementary angles
Definition
 sum of two angles equals 180 degrees
Term
 complementary angles
Definition
 if sum of two angles' equals 90 degrees
Term
Definition
 if two angles share a common vertex and side but have no common interior points
Term
 theorem
Definition
 a true statement that follows from other true statements.
Term
 vertical angles
Definition
 two angles if they are not adjacent and their sides are formed by two intersecting lines
Term
 linear pair
Definition
 two adjacent angles if their non common sides are on the same line
Term
 if-then statement
Definition
 if part contains the hypothesis, then part contains the conclusion
Term
 deductive reasoning
Definition
 using facts, definitions, accepted properties, and laws of logic to make a logical argument
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