MCQ
Find the angle which is $30^\circ $ more than its complement.
- A$50$
- B$55$
- ✓$60$
- D$65$
✓
Answer
Correct option: C.
$60$
Let the required angle be $x,$ then its complement $= (90 - x)$
Given that $x = (90 - x) + 30$
$\Rightarrow 2x = 120$
$\Rightarrow x = 60^\circ $
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