In a triangle, one angle is $90^{\circ}$ and another is $30^{\circ}$. Third angle is

In a triangle, one angle is $90^{\circ}$ and another is $30^{\circ}$. Third angle is
  1. $60^{\circ}$
  2. $30^{\circ}$
  3. $90^{\circ}$
  4. $120^{\circ}$

Solution

$180 - 90 - 30 = 60^{\circ}$.

Asked in: MH-SSC-9

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