Arcs and Central Angles Arc Length

• A
• B
• C
• D

• A
• B
• C
• D

Solve for the missing angle.

• 45^o

• 90^o

• 22.5^o

• 128^o

If the endpoints of an arc lie on a diameter, the arc is a ....

• major

• minor

• semicircle

• sector

A ____ angle is an angle whose vertex is a the center of a circle.

• supplementary

• complimentary

• central

• obtuse

Find x

• 10

• 5

• 18

• 9

In  a circle, if a radius or diameter is perpendicular to a chord, then it____ the chord and its arc.

• equals

• bisects

• arcs

• circles

This is a picture of ___________.

• Minor Arc

• Major Arc

• Semi-Circle

• Central Angle

This is a picture of ___________.

• Minor Arc

• Major Arc

• Semi-Circle

• Central Angle

This is a picture of ___________.

• Minor Arc

• Major Arc

• Semi-Circle

• Central Angle