Tangents, Arc, and Chords

What is the measure of angle P in this figure?

• 60

• 90

• 150

• 300

HEXAGO is a regular hexagon inscribed in a circle. What is the measure of arc OH?

• 60

• 90

• 120

• 360

AT and AN are tangents. The measure of angle ATN is 76 degrees. a = ?

• 90

• 76

• 34

• 28

What is the measure of angle P in this figure?

• 80

• 90

• 140

• 280

AT and AN are tangents. The measure of angle ATN is 72 degrees. a = ?

• 90

• 72

• 36

• 26

A tangent to a circle ____________ the radius drawn to the point of tangency.

• is parallel to

• is perpendicular to

• is congruent to

• is double

Tangent segments to a circle from a point outside the circle are _____________

• parallel

• perpendicular

• congruent

If two chords in a circle are congruent, then their _____________ are congruent.

• intercepted arcs

• inscribed angles

The perpendicular from the center of a circle to a chord is the ____________ of the chord.

• intercepted arc

• bisector

• radius

• diameter

Two congruent chords in a circle are _____________ from the center of the circle.

• parallel

• perpendicular

• equidistant

• radius