Parts of a Circle Chords, Radius, Central Angles

Name the pictured part of the circle.

• Radius

• Central Angle

• Sector

• Center

• Arc

Name the pictured part of the circle.

• Radius

• Central Angle

• Sector

• Center

• Arc

Name the pictured part of the circle.

• Center

• Sector

• Radius

• Central Angle

• Arc

Name the pictured part of the circle.

• Diameter

• Sector

• Radius

• Central Angle

• Arc

Name the pictured part of the circle.

• Diameter

• Sector

• Radius

• Central Angle

• Arc

Name the pictured part of the circle.

• Diameter

• Sector

• Radius

• Chord

• Arc

Which one of these is NOT a chord?

A secant:

• goes through the circle and intersects 2 times with the circle

• connects 1 time with the circle

• is only inside the circle

• always goes through the center of the circle

Which one is a secant?

• segment MP

• segment DC

• line DC

• segment NA

A tangent intersects a circle:

• at only one point

• at two points

• at many points

• at the center