Ch. 14 Math Vocab

an exact location that is represented by a dot (look at the dot labeled C)

• point

• line

• ray

• line segment

a straight set of points that extends in opposite directions without ending

• point

• line

• ray

• line segment

A part of a line, with one endpoint, that continues without end in one direction

• point

• line

• ray

• line segment

part of a line with two endpoints

• point

• line

• ray

• line segment

lines that always the same distance apart; they do not meet

• parallel lines

• intersecting lines

• perpendicular lines

• degree

lines that cross or meet each other at one point

• parallel lines

• intersecting lines

• perpendicular lines

• degree

Lines that intersect to form right angles

• parallel lines

• intersecting lines

• perpendicular lines

• degree

a unit to measure an angle

• parallel lines

• intersecting lines

• perpendicular lines

• degree

a geometric figure formed by two rays that have a common endpoint

• angle

• right angle

• obtuse angle

• acute angle

an angle that measures 90 degrees

• angle

• right angle

• obtuse angle

• acute angle