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If the bisectors of the base angles of a triangle enclose an angle of 135°, prove that the triangle is a right triangle.

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If the bisectors of the base angles of a triangle enclose an angle of 135°, prove that the triangle is a right triangle.

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Given the bisectors the base angles of an triangle enclose an angle of 135o

i.e., ∠BOC 135o 

But, W.K.T

∆ABC is right angled triangle right angled at A. 

 

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