If the bisectors of the base angles of a triangle enclose an angle of 135°

CBSE Class 9 CBSE Class 9 Maths
1

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

2

.Given In ∆ABC, bisectors of ∠B and ∠C form a triangle of angle 135°,
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Hence, ∆ABC is a right angled triangle