Question

which of the following is an isosceles triangle?
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Answer 1

Answer:

The triangle in a) is an isosceles triangle as the two angles are equal each being 38°.

Answer 2

Answer:

$option(a) \: is \: correct \\ \\ reason : \\ \\ 38 + 104 + 3rd \: angle = 180 \\ \\ 3rd \: angle = 38$

Angle B = Angle C

AC = AB (Angles opposite equal sides)

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