Chords, Tangents, Secants in Circles

A line segment on the interior of a circle with endpoints on the circle

• Radius

• Diameter

• Secant

• Chord

A line segment connecting any two points on a circle is called a _____________. 

• diameter

• chord

• radius

• circumference 

A line  that intersects a circle at exactly one point is a ____________.

• tangent

• secant

• chord

• radius

What is true about chords?

• Their end points are on the circle

• They go though the circle

• They touch the circle at one point

• They always go through the center point

• Secant

• Tangent

• Chord

• Point of Tangency

If two tangents are drawn to a circle from an external point, what is the relationship between these two tangents?

• They are congruent.

• They are perpendicular.

• They intersect at the center.

• They are parallel.

What is the measure of the indicated angle?

Name a secant.

• BD

• DG

• HF

• AF

Which CONTAIN a chord?

• secant

• tangent

• secant and tangent

Using the circle with center O, identify a secant.

• MN

• EC

• OC

• DF