MCQ
Find the angle which is $80^\circ $ more than its complement.
- A$75$
- ✓$85$
- C$95$
- D$100$
✓
Answer
Correct option: B.
$85$
Let the required angle be $x,$ then its complement $= (90 - x)$
Given that $x = (90 - x) + 80$
$\Rightarrow \text{x}=\frac{170}{2}$
$\Rightarrow \text{x}=85^\circ$
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