Chapter 10 Review Circles

∠BAC is a ________ angle

• major

• central

• inscribed

• obtuse

An angle whose vertex is at the center of the circle.

• Central Angle

• Inscribed Angle

• Radius

• Sector

What is the measure of ∠AOB?

• 40°

• 80°

• 160°

• 50°

• A
• B
• C
• D

Determine if line AB is tangent to circle C.

• Yes, tangent

• No, not tangent

• A

• B

• C

• D

Determine the measure of ∠UVS

• 19.5°

• 39°

• 78°

• 102°

What part of the circle is present?

• diameter

• radius

• chord

• secant

Which of the following names a radius?

• segment AC

• segment DB

• segment AB

• segement BC

What is the part of the circle highlighted in red called?

• semi-circle arc

• major arc

• minor arc

• sector