Shared Flashcard Set

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Geometry
Flashcards to study for geometry
11
Mathematics
9th Grade
01/28/2010

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Cards

Term
Congruent Segments
Definition
Segments that have the same measure
Term
Segment Bisector
Definition
A line, segment, or ray that goes through a segment and divides it into two smaller, congruent segments.
Term
Acute Angles
Definition
Angles that measure less than 90 degrees
Term
Obtuse Angles
Definition
Angles that measure more than 90 degrees
Term
Right Angle
Definition
An angle that measures exactly 90 degrees
Term
Sraight Angle
Definition
Angle that measures exactly 180 degrees
Term
Congruent Angles
Definition
Two angles that have the same measure
Term
Angle Addition Postulate
Definition
If R is in the interior of angle PQS, then m angle PQR + m angle RQS is equal to angle PQS
Term
Angle Bisector
Definition
Divides an angle into two smaller, congruent angles
Term
Perpendicular Lines
Definition
Two lines that intersect to form a right angle
Term
Perpendicular Bisector
Definition
A line, segment, or ray that is perpendicular to the segment at its midpoint
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