MCQ
Mark $(\checkmark)$ against the correct answerWhat least number must be subtracted from $178$ to make it a perfect square$?$
- A$6$
- B$8$
- ✓$9$
- D$7$
✓
Answer
Correct option: C.
$9$
$178-9=169$
$\sqrt{169}=13$
$\sqrt{169}=13$
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