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deepaksoni
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Asked: 2021-04-15T17:28:25+05:30 In:

Question 21. (a) In the figure (i) given below, PQ is a tangent to the circle at A, DB is a diameter, ∠ADB = 30° and ∠CBD = 60°, calculate (i) ∠QAB (ii) ∠PAD (iii) ∠CDB.

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Question 21. (a) In the figure (i) given below, PQ is a tangent to the circle at A, DB is a diameter, ∠ADB = 30° and ∠CBD = 60°, calculate (i) ∠QAB (ii) ∠PAD (iii) ∠CDB.

This is circle based question from Chapter name- circles
Topic – Angle properties of circles
Chapter number- 15

In the figure given in question , PQ is a tangent to the circle at A, DB is a diameter, ∠ADB = 30° and ∠CBD = 60°,

Now we have to calculate (i) ∠QAB (ii) ∠PAD (iii) ∠CDB.

ICSE Avichal publication
Understanding ICSE Mathematics
Question no 21(a)

circlesicse boardml aggarwal
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      Question 21. (a) In the figure (i) given below, PQ is a tangent to the circle at A, DB is a diameter, ∠ADB = 30° and ∠CBD = 60°, calculate (i) ∠QAB (ii) ∠PAD (iii) ∠CDB.

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