In the following figure, PQ is the tangent to the circle at A, DB is t

1.	In the following figure, PQ is the tangent to the circle at A, DB is the diameter and O is the centre of the circle. If ∠ADB = 30o and ∠CBD = 60o, calculate : (i) ∠ QAB, (ii) ∠ PAD, (iii) ∠ CDB.
Answer» In the following figure, PQ is the tangent to the circle at A, DB is the diameter and O is the centre of the circle. If $∠ A D B = 30^{o}$ and $∠ C B D = 60^{o}$ , calculate : (i) $∠$ QAB, (ii) $∠$ PAD, (iii) $∠$ CDB.

In the following figure, PQ is the tangent to the circle at A, DB is the diameter and O is the centre of the circle. If ∠ADB = 30o and ∠CBD = 60o, calculate : (i) ∠ QAB, (ii) ∠ PAD, (iii) ∠ CDB.

Answer»

In the following figure, PQ is the tangent to the circle at A, DB is the diameter and O is the centre of the circle. If $∠ A D B = 30^{o}$ and $∠ C B D = 60^{o}$ , calculate :

(i) $∠$ QAB,

(ii) $∠$ PAD,

(iii) $∠$ CDB.

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In the following figure, PQ is the tangent to the circle at A, DB is the diameter and O is the centre of the circle. If ∠ADB = 30o and ∠CBD = 60o, calculate : (i) ∠ QAB, (ii) ∠ PAD, (iii) ∠ CDB.

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