SSC CGL 26 Oct 2014 Shift 2 Paper

In right angled Δ ABC,
∠ B = ∠ A + ∠ C

In an equilateral triangle ABC,
∠ B = $\frac{\angle \mathit{A}+\angle \mathit{C}}{2}$

In obtuse angled triangle,
∠ B > ∠ A + ∠ C

In acute angled triangle ABC,
∠ A < ∠ B + ∠ C
∠ B < ∠ A + ∠ C