MCQ
The two angles of a triangle are complementary. The third angle is:
- A$60^\circ$
- B$45^\circ$
- C$36^\circ$
- ✓$90^\circ$
$\therefore$ A triangle has $180^\circ $ and if two angles are complementary i.e. sum of two angles is $90^\circ ,$ then third angle will be $180^\circ - 90^\circ = 90^\circ .$
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