Inscribed and Central Angles in Circles

Given the following inscribed quadrilateral, what is the value of y?

• 10

• 20

• 30

• 40

What is the measure of arc WYZ?

• 231

• 255

• 168

• 200

An angle is a(n) ______ if the vertex is on a circle and the sides of the angle are shords of the circle.

• right angle

• acute angle

• inscribed angle

• intercepted angle

Find the value of x.

• 15

• 13

• 3

• 6

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

What is the measure of arc AB?

• 140

• 142

• 180

• 153

• A

• B

• C

• D

• A

• B

• C

• D

What is this called?

• Radius

• Central Angle

• Major Arc

• Inscribed Angle

What is this called?

• Tangent Line

• Central Angle

• Chord

• Inscribed Angle