Which part of the circle is this?
The Radius
Which part is this?
Chord
What is this?
Diameter
What is this?
Secant
What is this?
Tangent
What is this?
Point of Tangency
What is this?
Central angle
Whats this?
Inscribed Angle
Whats this?
Arc
Whats this?
Minor arc
Whats this?
Major arc
Whats this?
Semi circle