Circle Angle and Arcs

If the measure of arc ABC = 210°, what is the measure of ∠AOC?

• 150°

• 100°

• 210°

• 105°

In the diagram, TP and TQ are tangents to circle O. Determine the value of x. (Note the angles with single arcs are not necessarily congruent in this diagram.)

• 70

• 110

• 140

• 90

Tags

CCSS.HSG.C.A.2

In a circle, if a diameter bisects a chord (that is not a diameter), then:

• it is a secant

• it is parallel to the chord

• it is perpendicular to the chord

• it is just shaking out the sillies

A tangent line intersecting with a radius always creates a ____________ angle

• right

• acute

• obtuse

• straight

opposite angles in any quadrilateral inscribed in a circle are __________ of each other.

• complements

• supplements

• congruent

• opposite

What is x?

• 15

• 23

• 2

• 92

Tags

CCSS.HSG.C.A.2

Find the radius r

• 2

• 3

• 4

• 5

Tags

CCSS.HSG.C.A.2

inscribed angle: an angle with its vertex _____________ the circle

• at the center of

• on

Tags

CCSS.HSG.CO.C.9

In a circle (or congruent circles), congruent central angles:

• are 60 degrees

• have congruent points

• have congruent arcs

• spell out the word "dracula"

In a circle (or congruent circles), chords that are the same distance from the center:

• are similar

• have the same name

• are congruent to each other

• are walking dead

Tags

CCSS.HSG.C.A.2