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In a circle with centre O, AB is the dia...

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 intersect at C. If `angle POQ = 54^@`, then the measure of `angle PCA` is:
केंद्र O के साथ एक वृत्त में, AB व्यास है, P और Q, व्यास AB के एक तरफ वृत्त पर दो बिंदु है AQ और BP, C पर परिछेदित करती है। यदि `angle POQ = 54^@` है, तो `angle PCA` का माप है

A

`54^@`

B

`63^@`

C

`72^@`

D

`56^@`

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