Arcs and Angles Circles

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.

Name a minor arc

• AD

• ADB

• AB

• CD

Name a major arc.

• ABD

• BDA

• BCD

• DA

What is the measure of arc AD?

• 38

• 142

• 180

• 153

What is the measure of arc WYZ?

• 231

• 255

• 168

• 200

This is a picture of ___________.

• Minor Arc

• Major Arc

• Semi-Circle

• Central Angle

What is this called?

• Radius

• Central Angle

• Major Arc

• Inscribed Angle

What is this called?

• Tangent Line

• Central Angle

• Chord

• Inscribed Angle

What is the measure of arc KL?

• 108

• 106

• 110

• 112

Convert π radians to degrees.

• 90⁰

• 180⁰

• 360⁰

• 60⁰