Instructions:[br]In the diagram below, O is the centre of the circle. [br]AB and CD are chords in the circle. [br][br]Move the 4 points A, B, C and/or D, until AB is equal to CD.
What is the length of OE?
What is the length of OF?
Hence, make an observation about chords of equal length.
Equal chords are the same distance from the centre.