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deepaksoni
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Asked: 2021-03-25T15:22:22+05:30 In:

If O is the centre of the circle, find the value of x in each of the following figures (using the given information):

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If O is the centre of the circle, find the value of x in each of the following figures (using the given information):

This is an important and exam oriented question from Chapter name- circles
Topic – Angle properties of circles
Chapter number- 15

In this question we have figure of circles with constructions and we have to find the value of x using basic properties of circles.
ICSE Avichal publication
Understanding ICSE Mathematics
Question 2

circlesicse boardml aggarwal solution
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    1. Guru

      ∠ACD = ∠ABD

      (angles in the same segment)

      ∠ACD = xo

      Now in triangle OAC,

      OA = OC

      (radii of the same circle)

      ML Aggarwal Solutions for Class 10 Chapter 15 - Image 4

      ∠ACO = ∠AOC

      (opposite angles of equal sides)

      Therefore, xo = 62o

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