In a triangle, ratio of angles is $1:2:3$. Largest angle is

In a triangle, ratio of angles is $1:2:3$. Largest angle is
  1. $90^{\circ}$
  2. $60^{\circ}$
  3. $120^{\circ}$
  4. $30^{\circ}$

Solution

$k + 2k + 3k = 6k = 180 \Rightarrow k = 30$. Largest $= 90^{\circ}$.

Asked in: MH-SSC-9

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