Parts and Angles of a Circle

Name the pictured part of the circle.

• Radius

• Central Angle

• Sector

• Center

• Arc

Name the pictured part of the circle.

• Radius

• Central Angle

• Sector

• Center

• Arc

What is the measure of arc AD?

• 38

• 142

• 180

• 153

Find the measure of arc AB.

• 17 degrees

• 34 degrees

• 68 degrees

• 146 degrees

Find the value of x.

Mathematical Equivalence

ON

Match the following

• Semi Circle

• Chord

• Point of Tangency

• Central Angle

• Secant

The image shows a circle centered at point O. Angle AOB measures 50 degrees. What is the measure of angle ACB? (a)  

• 25 degrees

• 40 degrees

• 50 degrees

• 100 degrees

Find the value of the angle marked x....

• 40

• 45

• 50

• 60

Find the value of the angle marked x....

• 102

• 51

• 129

• 78

Mathematical Equivalence

ON