In a triangle ABC, if `angleA=angleB+angleC`, the prove that triangle ABC is a right triangle.

In a triangle ABC,right angled at B, then

In a triangle ABC, if 2 angleA = 3 angleB = 6 angleC , then what is angleA+ angleC equal to ?

In a DeltaABC, angleA=2 angleB=3 angleC, find each of the triangle.

triangleABC is an isosceles triangle with AC = BC. If AB^(2)= 2AC^(2) . Prove that triangle ABC is a right triangle.

In triangle ABC if 2sin^(2)C=2+cos2A+cos2B , then prove that triangle is right angled.

In a DeltaABC,"if " 3angleA=4angleB=6angleC" then " A:B:C=?

In triangle ABC, angleA = angleC, AC = 5 and BC = 4. Then, the perimeter of triangle ABC is ..........

In triangle ABC , if cosA+sinA-(2)/(cosB+sinB)=0 then prove that triangle is isosceles right angled.

In a triangle ABC, angleA lt angleB, angleB gt angleC and angleA=2angleC , prove that AC gt BC gt AB .