One of the most important and exam oriented question from Chapter name- circles
Topic – Angle properties of circles
Chapter number- 15
This ques has been asked im 2001 exam.
In this question we have a figure in which ot it given that A, B and C are three points on a circle.
The tangent at C meets BA produced at T.
Also we have that ∠ATC = 36° and ∠ACT = 48°,
Now we have to calculate the angle subtended by AB at the centre of the circle.
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Understanding ICSE Mathematics