Math 9: Exploring Chord Properties (Part 1 of 3)
- Author:
- sloucks
Line Segment AB goes through the centre of the circle.
Move point B along DE until AB is perpendicular to DE.
What do you notice about the DB and BE?
The Rule: A line that passes through the centre of a circle and is perpendicular to a chord bisects that chord.
The Big Picture:
- perpendicular
- bisector of chord
- through centre of circle
if two of these are true then all three are true.