Q9 of 53 Page 158

In ΔABC, if then m ∠C = ……


Let us assume,



⇒ AB = x, AC = 2x and BC = √3x


As we see that, AC2 = AB2 + BC2


So by converse of Pythagoras Theorem, ΔABC is right angled and right angle at B.


Let ∠C = θ,




⇒ θ = 30°


∴ Option (b) is correct.

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