Geometry Vocabulary

A flat surface of a three-dimensional (3-D) shape.

• Cube

• Vertice

• Edge

• Face

A closed plane figure made by line segments (no curves) is called a ...

• circle

• polygon

• sphere

• rectangle

The point at which two line segments, lines, or rays, meet to form an angle.

• Vertex

• Edge

• Side

• Face

The top and bottom parts of a solid figure when it is standing.

• side

• base

• edge

• cylinder

A three dimensional figure with one curved surface and one circular face is called a ....

• triangle

• cube

• cylinder

• cone

A three dimensional figure with 6 square faces all the same size is called a...

• cube

• square

• sphere

• rectangular prism

A three dimensional figure with 2 circular faces.

• Cube

• Cone

• Cylinder

• Sphere

The side of a polygon or a line segment where 2 faces of a solid figure meet.

• Face

• Vertice

• Side

• Edge

A polygon with 2 sets of parallel sides is called a ...

• parallelogram

• quadrilateral

• square

• shape

A polygon with exactly 4 sides is called a...

• trapezoid

• polygon

• quadrilateral

• parallelogram