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Question

In the given figure, altitude AD bisects ∠BAC then ΔBAC is


A

Obtuse angled triangle

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B

Isosceles triangle

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C

Equilateral triangle

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D

Scalene triangle

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Solution

The correct option is B

Isosceles triangle


By ASA criterion, ΔABD ≅ ΔADC.

By c.p.c.t., AB = AC.

Two sides equal, then the triangle is isosceles.


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