Circle Parts

What do you call a line that touches a circle at exactly one point?

• Secant

• Chord

• Tangent

• Radius

How many degrees are there in a circle?

• 90

• 180

• 360

• 720

Identify point K

• Center

• Diameter

• minor Arc

• Radius

Name the tangent of Circle C.

• Line EI

• Line AB

• Line BD

• Line GH

Name the point of tangency of Circle C.

• Point C

• Point F

• Point E

• Point A

What do we call the red line?

• Chord

• Arc

• Diameter

• Segment

What part of a circle does the red line represent?

• the radius

• the diameter

• the circumference

Name the pictured part of the circle.

• Diameter

• Sector

• Radius

• Chord

• Arc

What is the term for the distance from the center of a circle to any point on its circumference?

• Diameter

• Radius

• Chord

• Arc

What do you call the region enclosed by two radii and the arc between them?

• Sector

• Segment

• Annulus

• Circumference