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What is the area of square field whose side of length 15 m?

  • A.225 sq m
  • B.220 sq m
  • C.100 sq m
  • D.30 sq m

Answer: A

\[ A = a^{2} = 15^{2} = 225 \text{ m}^{2} \]

The perimeter would be \( 4 \times 15 = 60 \) m - a different quantity with different units, and worth keeping distinct from the area.

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