Surface area vocabulary

Front

What is a rectangular prism?

Back

A 3-D shape with 6 rectangular faces, 12 edges, and 8 vertices. Examples include a shoe box or a brick.

Front

What is a sphere?

Back

A perfectly round 3-D shape where every point on the surface is equidistant from the center. Examples include a basketball or a globe.

Front

How many congruent faces does a cube have?

Back

A cube has 6 congruent faces, all of which are squares.

Front

What is a pyramid?

Back

A 3-D shape with a polygonal base and triangular faces that meet at a common vertex.

Front

How many triangular faces does a pyramid have if it has a square base?

Back

A pyramid with a square base has 4 triangular faces.

Front

What is a vertex in geometry?

Back

A point where two or more edges meet. In a prism, the vertices are the corners.

Front

What is the difference between a face and an edge?

Back

A face is a flat surface on a 3-D shape, while an edge is where two faces meet.

Front

What is a cone?

Back

A 3-D shape with a circular base that tapers smoothly to a point called the apex.

Front

What is a cylinder?

Back

A 3-D shape with two parallel circular bases connected by a curved surface.

Front

What is surface area?

Back

The total area of all the surfaces of a 3-D shape.