Lesson 2 Area of a Triangle

Front

Base

Back

a side of a triangle from which the height is measured

Front

Height

Back

the perpendicular distance from a base to the opposite vertex

Front

decompose

Back

to break into parts

Front

difference

Back

the result of subtraction

Front

expression

Back

a group of numbers, variables, and/or operation symbols that represents a mathematical relationship

Front

parallelogram

Back

a quadrilateral with opposite sides parallel and equal in length

Front

polygon

Back

a two-dimensional closed figure made with three or more straight lines segments that meet only at their endpoints

Front

product

Back

the result of multiplication

Front

Quadrilateral

Back

a four-sided polygon

Front

Vertex

Back

a point where two or more lines or edges meet