In a circle with centre O, AB is diameter and CD is a chord which is equal to the radius OC. AC and BD are extended in such a way that they intersect each other at a point P, exterior to the circle. The measure of ∠APB is:

In a circle with centre O, AB is diameter and CD is a chord which is e

1.	In a circle with centre O, AB is diameter and CD is a chord which is equal to the radius OC. AC and BD are extended in such a way that they intersect each other at a point P, exterior to the circle. The measure of ∠APB is:
A.	30°
B.	45°
C.	60°
D.	90°
Answer» D. 90°

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In a circle with centre O, AB is diameter and CD is a chord which is equal to the radius OC. AC and BD are extended in such a way that they intersect each other at a point P, exterior to the circle. The measure of ∠APB is:

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