circle review

Which of the following names a radius? (a)  

• segment DB
• segment AC
• segment AB
• segment BC

Which of the following names a diameter? (a)  

• segment AC
• segment DB
• segment AB
• segment BC

What is the part of the circle highlighted in red called? (a)  

• semi-circle arc
• major arc
• minor arc
• sector

What is the part of the circle highlighted in red called? (a)  

• semi-circle arc
• major arc
• minor arc
• sector

What is the part of the circle highlighted in red called? (a)  

• semi-circle arc
• major arc
• minor arc
• sector

A line that intersects a circle at exactly one point (a)  

• secant
• circle
• chord
• tangent

What is the value of x? (a)  

• x = 160
• x = 40
• x = 80
• x = 360

What is the measure of arc AB?

Mathematical Equivalence

ON

What is the measure of ∠PTQ? (a)  

• 100°
• 140°
• 180°
• 120°

If the measure of arc ABC = 210°, what is the measure of ∠AOC? (a)  

• 150°
• 100°
• 210°
• 105°