Inscribed Angles and Tangents

What is the value of x?

• 22
• 25
• 15
• 20

What is the measure of angle 1?

• 120
• 40
• 30
• 60

Assume that all the lines that appear tangent are tangent. Find the perimeter

• 54
• 36
• 48
• 42

What is the definition of a tangent?

• A line that intersects the circle on two points.

• A line that passes through the center of the circle.

• A line segment that passes through the center of the circle.

• A line that intersects the circle on only one point.

Find the value of x that ensures the segment that appears tangent, is in fact tangent, to circle C.

• x = 14.4
• x = 8.9
• x = 16
• x = 8

Point B is a point of tangency. Find the radius r of circle C.

• 6

• 7

• 8

• 9

Points B and D are both points of tangency. Find x.

• 5

• 10

• 11

• 22

Name a tangent of the circle.

Is AB tangent to circle C?

• Yes, because triangle ABC is a right triangle.

• No, because triangle ABC is not a right triangle.

• 17

• 8

• 21

• 9