Chords and Tangents

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

• 60

• 90

• 120

• 360

What is the measure of angle P in this figure?

• 60

• 90

• 150

• 300

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

• 90

• 76

• 34

• 28

PENTA is a regular pentagon inscribed in a circle. What is the measure of arc PE?

• 60

• 72

• 90

• 108

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 they determine two central angles that are ______________

• congruent

• parallel

• perpendicular

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

• intercepted arcs

• inscribed angles