Math Ch. 8 Vocab

is a location in space that has no size

• point

• line

• vertex

• segment

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

• line

• segment

• ray

• plane

is part of a line and has 2 endpoints and all the points of the line between the endpoints

• segment

• line

• polygon

• angle

is part of a line and has one endpoint and all the points of the line on one side of the endpoint

• ray

• polygon

• plane

• shape

is a flat surface with no thickness that extends without end in all directions on the surface

• plane

• figure

• polygon

• line

they lie in the same plane and have exactly one point in common

• intersecting lines

• parallel lines

• skew lines

• vertical lines

are lines in the same plane that never intersect

• parallel lines

• skew lines

• vertical lines

• obtuse angle

are neither parallel nor intersecting and lie in different planes

• skew lines

• vertical lines

• horizontal lines

• line

is formed by two rays with a common endpoint called a vertex

• angle

• line

• vertex

• ray

is the point of intersection of two sides of an angle or figure

• vertex

• corner

• side

• degrees