The area of a square is $225$ cm$^{2}$. Its perimeter is

The area of a square is $225$ cm$^{2}$. Its perimeter is
  1. $60$ cm
  2. $30$ cm
  3. $225$ cm
  4. $56$ cm

Solution

Side $= \sqrt{225} = 15$ cm. Perimeter $= 4 \times 15 = 60$ cm.

Asked in: NSO

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