In a triangle, two angles are equal and the third is $80^{\circ}$. Each equal angle is

In a triangle, two angles are equal and the third is $80^{\circ}$. Each equal angle is
  1. $50^{\circ}$
  2. $60^{\circ}$
  3. $40^{\circ}$
  4. $80^{\circ}$

Solution

$2x + 80 = 180 \Rightarrow x = 50^{\circ}$.

Asked in: MH-SSC-9

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