Geometry Vocab

Point

location in space
LINE

a series of points that extends in two opposite directions without end
Segment

Consists of two endpoint and all the points of the line between the endpoints.
Ray

consists of two endpoints and all the points of the line on one side of the endpoint.
plane

a flat surface with no thickness that extends in all directions on the surface
Intersecting lines
- lines that have exactly one point in common
parallel lines

lines that have no points in common
Skew lines

lines that are not parallel and do not intersect
Angle

a figure formed by two rays with a common endpoint.
vertex

a point of intersection of two sides of an angle of figure
degrees

a measurment used to measure angles
acute angle

measure less than 90 degrees
right angle

measure 90 degrees
obtuse angle

measure between 90 and 180 degrees
straight angle

measure 180 degrees
perpendicular lines

lines that intersect forming a right angle
complementary angles
- if the sum of two angles is 90 degree
- it is complementary
supplementary angles

any two angles that add up to 180
vertical angles

two intersecting lines
congruent angles

angles with equal measures

Author

jakobbredbenner

ID

137775

Card Set

Geometry Vocab

Description

Geometry Words

Updated

2012-02-26T16:44:43Z

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