TWO SECANTS INTERSECT IN THE EXTERIOR OF A CIRCLE
Activity: Find it out by Yourself!
Given: In the figure below, line NXand line MYare two secants intersecting outside the circle at point P.
Arc XYand Arc MNare the two intercepted arcs of angle XPY
Move point P to observe the relationship of the two secants and the exterior angle formed.
Question:
Is there any relationship among the measure of angle XPY and arc MN and arc XBY? Describe the relationship if there is any.