PRESENTATION OUTLINE
Semi circle
Form of a half of a circle.
Circumference
The outer boundary of a circular area.
Diameter
A straight line passing from side to side through a center.
Radius
A straight line extending from the center of a circle.
Chord
A line that links two points on a circle or curve
Center of a circle
The given point from which all points on a circle are the same distance
Pi
Math symbol to show the circumference of a circle.
Formula
A rule or principle and algebraic symbols.