MCQ
The supplementary angle of $120^\circ $ is:
- A$30^\circ$
- B$50^\circ$
- C$240^\circ$
- ✓$60^\circ$
Let the supplementary angle be $x$ Sum of supplementary angles is $180^\circ $
$\Rightarrow x + 120^\circ = 180^\circ $
$\Rightarrow x = 180^\circ - 120^\circ $
$\Rightarrow x = 60^\circ $
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