circles p1

Is the red line a radius or diameter of the circle?

• Radius
• Diameter

Is the red line a radius or diameter of the circle?

• Radius
• Diameter

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

• 20
• 15
• 10
• 5

In the diagram, a tangent and a line drawn to the point of tangency form a right triangle. Solve for "?" (the length of the hypotenuse)

• 15
• 6
• -24
• 14

• A point of tangency
• A tangent
• A center
• Outside of circle C

• Arc
• Sector
• Segment
• Circumference

• secant
• chord
• tangent line
• diameter

• A chord
• A secant
• A sector
• A tangent

How many degrees are in a cirlce?

• 90
• 180
• 270
• 360

The line segment between the center and a point on the circle

• Radius
• Diamter
• Chord
• Tangnet