7th Vocabulary 4th 6 Weeks

A measurement of the region enclosed by the sides of a polygon. The _______ is always expressed in squared units.

• Perimeter

• Volume

• Lateral face

• Area

The _________ of a plane figure is the length of its boundary.

• Area

• Perimeter

• Lateral face

• Volume

The point inside a circle that is the same distance from all the points on the circle.

• Circle

• Face

• Center (of a circle)

• Radius

The set of all points in a plane that are the same distance from a given point called the center.

• Circle

• Center (of a circle)

• Diameter

• Radius

The distance around a circle.

• Perimeter

• Area

• Circumference

• Diameter

A line segment that passes through the center of a circle and has endpoints on the circle, or the length of that segment.

• Radius

• Area

• Circumference

• Diameter

The ratio of the circumference of a circle to the length of its diameter; 3.14.

• Radius

• Pi

• Diameter

• Perimeter

The distance from the center of a circle to any point on the circumference of the circle.

• Diameter

• Radius

• Circumference

• Area

A figure that is made up of two or more three-dimensional figures.

• Rectangular prism

• Triangular prism

• Regular pyramid

• Composite figure

A flat surface of a three-dimensional figure.

• Rectangular prism

• Triangular prism

• Face

• Lateral surface area