Circle Vocab Interactive

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

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

• Arc
• Sector
• Segment
• Circumference

Q1. What is the relationship between a secant and a circle?

• A) secant

• B) chord

• C) tangent line

• D) 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

The distance around a circle

• Diameter

• Radius

• Circumference

• Area