40eced70_Geometry_circles__Part
[Description] A line segment whose end points are on the circle. [Example] PQ is a chord. [Properties] A chord can be of any length.It may or may not pass through the center. Diameter is the longest chord. [Part] 
Chord
C e n t e r
R a d i u s
D i a m e t e r
C i r c u m - f e r e n c e
C h o r d
A r c
S e g m e n t
S e c t o r
S e m i c i r c l e
Geometry:circles
Part