Circle Properties Investigative Activity 9
In the diagram below, O is the centre of the circle. Points P and Q are points on the circumference.
A tangent is drawn at point P and point Q respectively.
Point R is the intersection point between the 2 tangents drawn at P and Q.
Try moving points P and Q and observe what happens.
What do you notice about the lengths QR and PR?
What do you notice about angle PRQ and angle ORQ?