Equal chords are equidistant from the centre of the circle
Sliders for changing the following:
1. Radius of the circle,
2. Length of OX and OY and,
Red dots for rotating the respective chords:
1. CD and AB.
Pre-requisite knowledge and terms: Pythagoras Theorem, Perpendicular bisector, Radius, Chords, Equidistant
Task: Rotate the point X and point Y accordingly for Q1
Q1. Observe that there are two chords, AB and CD. What is the circumstance/situation will the chord CD and AB be equal?