Geometry Vocab

An exact location in space

• point

• line

• dot

• spot

An endless collection of points along a straight path

• ray

• point

• line

• line segment

part of a line that has two end points

• line

• line segment

• ray

• plane

A straight path with no beginning or end is a...

• ray

• line

• plane

• angle

an endless flat surface that is named by any three parts not in the same line

• space

• plane

• ray

• shape

lines that have exactly one point in common; lines that touch

• intersecting lines

• touching lines

• perpendicular lines

• crossing lines

lines in the same plane that never intersect; lines that never touch

• perpendicular lines

• parallel lines

• intersecting lines

• touching lines

perpendicular lines

• two lines that intersect at right angles

• an endless flat surface that is named by any three parts not in the same line

• lines that have exactly one point in common; lines that touch

• lines in the same plane that never intersect; lines that never touch

acute angle

• angle more than 90 degress

• angle exactly 180 degrees

• angle less than 90 degrees

• angle exactly 90 degrees

An angle exactly 90 degrees

• right

• acute

• obtuse

• straight