1.

In a circle with centre O, AB is the diameter. P and Q are two points on the circle on the same side of the diameter AB. AQ and BP intesect at C. If ∠POQ = 54° , then the measure of ∠PCA is:

A. 72°
B. 63°
C. 56°
D. 54°
Answer» C. 56°


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