Chapter 12 Test Review

What is x?

• x = 35^o

• x = 50^o

• x = 70^o

• x = 140^o

What is the measure of arc DI?

Mathematical Equivalence

ON

What is the value of x?

Mathematical Equivalence

ON

What is the measure of arc WYZ?

• 231

• 309

• 168

• 129

Mathematical Equivalence

ON

Which shows a tangent line?

• 
• 
• 
• 

Match the following

• Tangent

• 
• Chord

• 
• Radius

• 
• Diameter

• 
• Secant

• 

Line segment AB is tangent to circle C. What is the radius of the circle?

• 11

• 15

• 10

• 8

Lines AO and BO are tangent. What is the measure of BO?

Mathematical Equivalence

ON

Two tangents CD and CB intersect circle A. Find the length of the tangent segment BC.

Mathematical Equivalence

ON