Question

if one angle of a triangle is equal to the sum of the other two, show that the triangles is an isosceles right triangle​

Answer 1

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Let the angles a,b,c

a=b+c

As we know a+b+c=180

a+b+c=180

(b+c=a)

a+a=180

2a =180

a=90

Hence it is right angle triangle

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