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In the given figure, O is the centre of the circle and ∠PBA = 45°. Calculate the value of ∠PQB.

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In the given figure, O is the centre of the circle and ∠PBA = 45°. Calculate the value of ∠PQB. 

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1 Answer

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∠AOB = 180° 

⇒ ∠APB = 90° (angle of diameter) 

⇒ ∠PAB = 90° – 45° = 45° 

⇒ ∠PQB = 45° (angle for same arc)

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