Geometry Vocab

location in space

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

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

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

a flat surface with no thickness that extends in all directions on the surface

• lines that have exactly one point in common

lines that have no points in common

lines that are not parallel and do not intersect

a figure formed by two rays with a common endpoint.

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

a measurment used to measure angles

measure less than 90 degrees

measure 90 degrees

measure between 90 and 180 degrees

measure 180 degrees

lines that intersect forming a right angle

• if the sum of two angles is 90 degree
• it is complementary

any two angles that add up to 180

two intersecting lines

angles with equal measures