Circles Radius, Diameter, Chord, Tangent, and Secant

Is the set of all points that are of the same distance from point in a plane.

• chord

• circle

• plane

• chord

A ___________ is an angle whose vertex is the center of the circle.

• central angle

• inscribed angle

• right angle

• obtuse angle

What is O?

• diameter

• radius

• center

• chord

What is line AB?

• diameter

• chord

• secant

• tangent

What is P?

• chord

• secant

• point of tangency

• tangent

What is the mathematical name given for the line AB?

• Diameter

• Radius

• Tangent

• Chord

What is the measure of a semicircle?

• 60

• 180

• 70

• 90

The distance from the center to the edge of the circle.

• Diameter

• Center

• Radius

• Tangent

A line that touches (intersects) the circle only once from the outside.

• Secant

• Chord

• Tangent

• Line

Line PQ and Line RQ are examples of

• Secant Lines

• Tangent Lines

• Outside Lines

• Tangerine Lines