In △ ABC, ∠ABC = 90 ∘ , ∠BAC = 45 ∘ and ∠ACB = 45 ∘ . What is this triangle called? Options: A . &nbspRight angled triangle B . &nbspIsosceles triangle C . &nbsp90∘ triangle D . &nbsp Right angled Isosceles triangle

In △ABC, ∠ABC = 90∘, ∠BAC = 45∘ and

Question

△

ABC, ∠ABC = 90

^{\circ}

, ∠BAC = 45

^{\circ}

and ∠ACB = 45

^{\circ}

. What is this triangle called?

Options:

A . Right angled triangle

B . Isosceles triangle

C . 90∘ triangle

D . Right angled Isosceles triangle

Answer: Option D
:
D
In a right-angled isosceles triangle, one angle is right angle and the rest two are acute and equal i.e. 45

^{\circ}

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