Central Angles, Inscribed Angles, Circumscribed Angles and Properties of Tangents

Determine whether is tangent to the circle.

• YES
• NO

Find x.  Assume that segments that appear to be   tangent are tangent.

• 11.2
• 18.0
• 25.0
• 30.0

What can you conclude?

• AB and AC are not congruent.
• AB= half of AC
• AC = half of AB
• AB=AC

What is the name of the angle pictured?

• Central angle
• Inscribed angle
• Interscribed angle
• Circumscribed angle

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

• 20
• 15
• 10
• 5

Find x. Assume that segments that appear to be tangent are tangent.

• 11.2

• 18.0

• 25.0

• 30.0

What is the value of x?

• 22
• 25
• 15
• 20

QS is a tangent to circle P. Find QS.

• 144

• 14

• 12

• 13

Is line AB tangent to the circle?

• YES
• NO
  NO
• Not Enough Info

Determine whether the line is tangent to the circle.

• YES

• NO