Geometry Vocabulary Part 1

Front

quadrilateral

Back

a four sided figure

Front

parallel

Back

two or more lines that are always the same distance apart and never intersect

Front

base

Back

a side of a polygon that is situated perpendicular to the height of the figure

Front

area

Back

The amount of space inside a closed two-dimensional figure. Area is measured in square units.

Front

composition

Back

to make by combining parts

Front

decompose

Back

to break into parts

Front

parallelogram

Back

a quadrilateral with opposite sides parallel and equal in length

Front

perpendicular

Back

A line is said to be perpendicular to another line if the two lines intersect at a right angle.