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Using the given information, find the value of x in each of the following figures

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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 future of the circle and we have to find the value of x in the figure

ICSE Avichal publication

Understanding ICSE Mathematics

Question 1


1 Answer

  1. In

    ∠ABC + ∠ABC + ∠BAC = 180o

    (Because sum of a triangle)

    69o + 31+ ∠BAC = 180o

    ∠BAC = 180– 100o

    ∠BAC = 80o

    Since ∠BAC and ∠BAD are in the same


    ∠BAD = x= 80o

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