Vocabulary for Area

Front

This line represents a ____________ line

Back

vertical

Front

To take a shape and break it down into shapes you know, like squares, triangles or rectangles.

Back

decompose

Front

Lines that do NOT touch are called

Back

parallel

Front

Decompose means to

Back

Take a shape and break it down into shapes you know

Front

A ____________ is a closed shape with 3 or more sides

Back

polygon

Front

A ____________ is a flat surface that extends infinitely in all directions.

Back

plane

Front

The distance around a shape is called its ____________

Back

perimeter

Front

A ____________ has four sides and can be a square or rectangle.

Back

quadrilateral

Front

The ____________ of a shape is the amount of space it occupies.

Back

area

Front

A ____________ is a triangle with one angle greater than 90 degrees.

Back

obtuse triangle