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deepaksoni
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Asked: 2021-04-17T08:40:11+05:30 In:

Question 39. (a) In the figure (i) given below, AB is a chord of the circle with centre O, BT is tangent to the circle. If ∠OAB = 32°, find the values of x and y

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Question 39. (a) In the figure (i) given below, AB is a chord of the circle with centre O, BT is tangent to the circle. If ∠OAB = 32°, find the values of x and y

This is the basic and conceptual question from Chapter name- circles
Topic – Angle properties of circles
Chapter number- 15

In this question we have a figure in which it is given that , AB is a chord of the circle with centre O, BT is tangent to the circle.

Also ∠OAB = 32°,

Now using these facts we have to find the values of x and y

ICSE Avichal publication
Understanding ICSE Mathematics
Question 39(a)

icseml aggarwal
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    1. Guru

      Solution:
      AB is a chord of a circle with centre O.
      BT is a tangent to the circle and ∠OAB = 32°.
      ∴ In ∆OAB,
      OA = OB (radii of the same circle)
      ML Aggarwal Class 10 Solutions for ICSE Maths Chapter 15 Circles Ex 15.3 Q39.3

      =116/2=58

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