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# Geometry Vocabulary

### Geometry Honors

____are non-coplanar lines that never intersect Skew Lines
A ____ is a line segment or ray that is perpendicular to a segment at its midpoint Perpendicular Bisector
A ____ is a point that divides a segment into two congruent segments. Midpoint
A ____ is a rule that has been proven. Theorum
A ____ is a line, segment, or ray that intersects a segment at its midpoint. Segment Bisector
A(n) ____ is a ray that divides an angle into two congruent angles. Angle Bisector
____ is a set of all points. Space
____ are coplanar lines that never intersect. Parallel Lines
A line that intersects two coplanar lines at two distinct points is called a ____. Transversal
____ are two angles that share a common vertex and side, but have no common interior points. Adjacent Angles
Coplanar lines that intersect to form right angles are ____. Perpendicular Lines
A(n)____ extends in one dimension and is usually represented by a straight line with two arrowheads to indicate that they go in both directions without end. Line
Two angles with the same measure are ____. Congruent
A(n) ____ is an angle whose measure equals 90 degrees. Complementary angle
Two angles are ____ angles if their sides form two opposite rays. Vertical
Two adjacent angles are a ____. Linear Pair
A(n) ____ is the part of a line consisting of one endpoint and all the points of the line on one side of the endpoint. Ray
A(n) ____ is the part of a line consisting of two endpoints and all the points between them. Line Segment
Two angles are ____ if the sum of their measures is 90 degrees. Complementary
Two angles are ____ if the sum of their measures is 180 degrees. Supplementary
____ are points that lie on the same line. Collinear Points
A(n) ____ is formed by two rays with the same endpoint. Angle
A(n) ____ is an accepted statement or fact. Postulate
A(n) ____ is a flat surface that has no thickness and is two dimensional. Plane
A(n) ____ angle is an angle that is between 0 and 90 degrees. Acute
____ are two collinear rays with the same endpoint. Opposite Rays
Points and lines that lie in the same plane are ____. Coplanar
A(n) ____ has no dimension and it is usually represented by a dot. Point
A(n) ____ angle is an angle whose measure equals 180 degrees. Supplementary Angles
A(n) ____ angle is an angle that is between 90 and 180 degrees. Obtuse
Created by: courtneyc1998