Circle Angle Vocab

An angle in a circle with the vertex on the circle itself

• Angle

• Central angle

• Inscribed angle

• Chord

An angle in a circle with vertex on the center of the circle.

• Central angle

• Angle

• Inscribed angle

• Circle

How do we name a minor arc?

• two endpoints

• two endpoints and the center

• three endpoints

• three endpoints and the center

What is the radius?

• 18

• 72

• 38

• 14

Which of the following names a radius?

• segment AC

• segment DB

• segment AB

• segement BC

Which of the following names a diameter?

• segment AC

• segment DB

• segment AB

• segment BC

What is the part of the circle highlighted in red called?

• semi-circle arc

• major arc

• minor arc

• sector

What is the part of the circle highlighted in red called?

• semi-circle arc

• major arc

• minor arc

• sector

A line that intersects a circle at exactly one point

• secant

• circle

• chord

• tangent

A line that passes through a circle at two points.

• Secant

• Tangent

• Chord

• Radius