Arc Lengths

How many degrees are in a circle?

• 90
• 180
• 270
• 360

Which is true of a major arc?

• Forms half a circle.
• Forms a whole circle.
• Measures greater than 180 degrees.
• Measures less than 180 degrees.

Which is true of a minor arc?

• It forms half a circle.
• It forms a whole circle.
• It measures greater than 180 degrees. 
• It measures less than 180 degrees.

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

• supplementary
• complimentary
• central
• obtuse

An angle in a circle with vertex on the circle itself

• Angle
• Central angle
• Inscribed angle
• Chord

Which of the following would be a major arc in the diagram?

• BC
• BCD
• CD
• AB

Solve for the missing angle.

• 45^o
• 90^o
• 22.5^o
• 128^o

What is m∠ACB?

• 67.5°
• 90°
• 22.5°
• 45°

Find the measure of arc AB.

• 17
• 34
• 68
• 146

What is the measurement of ANGLE VUT?

• A

• B

• C

• D