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Question 4. (a) In the figure (i) given below, calculate the values of x and y.

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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 been given the figure of circle with certain information and we have to find the value of x in this figure.
ICSE Avichal publication
Understanding ICSE Mathematics
Question4 (a)


1 Answer

  1. Solution:

    (a) ABCD is cyclic Quadrilateral

    ML Aggarwal Solutions for Class 10 Chapter 15 - Image 8

    ∠B + ∠D = 1800

    Y + 40+ 45= 180o

    (y + 85= 180o)

    Y = 180– 85o = 95o

    ∠ACB = ∠ADB

    x= 40

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