Geometry -2D

Front

Line

Back

a set of connected points that continues in both directions without end

Front

Line of symmetry

Back

a real or imaginary line that divides a shape into two mirror images

Front

line segment

Back

a part or section of a line

Front

ray

Back

a set of connected points that continues in one directions without end

Front

intersecting lines

Back

lines that share one common point

Front

parallel

Back

lines that extend in the same direction that stay the same distance a part that will never touch

Front

perpendicular

Back

intersect to create a right angle

Front

area

Back

the space that a 2D shape takes up

Front

dimension

Back

a linear measure of a shape or an object in one direction

Front

straight angle

Back

an angle with a measure of exactly 180 degrees