Radius and Diameter Semicircle

A line segment that connects the center and a point on the circle.

A line segment that connects two points on a circle and passes through the center.

Diameter is twice the radius.

• Always True

• Sometimes True

• Never True

Tags

CCSS.7.G.B.4

Name a semicircle.

• PQR

• PQS

• PRS

• PSR

An arc that measures one-half of the circle.

An arc of a circle whose endpoints are the endpoints of a diameter.

• semicircle

• major arc

• minor arc

• circle

A line segment that has one endpoint on a circle and the other endpoint at the center of the circle.

• circle

• central angle

• radius

• arc

The line segment that has endpoints on a circle and passes through the center of the circle.

• radius

• minor arc

• diameter

• secant line

A segment with endpoints at the center and on the circle.

• Circle

• Diameter

• Chord

• Radius

an arc with endpoints on the diameter and equal to 180

• major arc

• arc

• semicircle

• half circle