Math 6 Geometry Vocabulary

The measure of space inside a two dimensional figure. Measured in square units.

• Perimeter

• Area

• Surface Area

• Volume

The edge of a parallelogram or triangle that is perpendicular to its height.

• Base

• Side

• Height

• Slant Height

The face of a pyramid or prism that gives the solid its name.

• Base

• Edge

• Height

• Slant Height

Each straight side of a polygon.

• Base

• Edge

• Height

• Face

Each flat side of a polyhedron.

• Base

• Edge

• Height

• Face

The perpendicular distance between a base and its opposite side. It can fall outside the shape.

• Base

• Edge

• Height

• Face

A two-dimensional figure that can be folded to make a polyhedron.

• Polygon

• Net

• Area

• Surface Area

A quadrilateral that has two pairs of parallel sides.

• Polygon

• Parallelogram

• Triangle

• Polyhedron

A closed two-dimensional shape with straight edges that do not cross each other.

• Polygon

• Perpendicular

• Circle

• Polyhedron

A closed three-dimensional shape with flat faces.

• Polygon

• Perpendicular

• Circle

• Polyhedron