XAT 2021 - Qadi Question 19
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QADI
Given, AB = 1, AC>1 and BC>1
If ABC was an equilateral triangle i.e if AB=AC=BC =1, ACD would have been 30 .
As C moves away from A and B, the angle decreases, hence the angle should be less than 30 and among the given options only 15 is less than 30.