In a right-angled triangle, sum of two acute angles is

In a right-angled triangle, sum of two acute angles is
  1. $90^{\circ}$
  2. $180^{\circ}$
  3. $45^{\circ}$
  4. $120^{\circ}$

Solution

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

Asked in: MH-SSC-9

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