This is an important and exam oriented question from Chapter name- circles
Topic – Angle properties of circles
Chapter number- 15
In first qies AB is a diameter of the circle. If ∠ADC = 120°, we have to find ∠CAB.
In the figure (ii) , sides AB and DC of a cyclic quadrilateral ABCD are produced to meet at E, the sides AD and BC are produced to meet at F. x : y : z = 3 : 4 : 5, now we have to find the values of x, y and z.
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