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Question

In an isosceles triangle ABC if AC = BC and AB2 = 2AC2, then ∠C =

(a) 30°
(b) 45°
(c) 90°
(d) 60°

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Solution

Given: In Isosceles ΔABC, AC = BC and AB2 = 2AC2.

To find: Measure of angle C

In Isosceles ΔABC,

AC = BC

B=A (Equal sides have equal angles opposite to them)

Hence the correct answer is .


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