Q. What is the perimeter of a square whose side is 21 cm?

  • (A) 72 cm
  • (B) 80 cm
  • (C) 84 cm
  • (D) 90 cm
✅ Correct Answer: (C) 84 cm
Explanation: Perimeter = 4 × 21 = 84 cm.

Published by Ankit Singh ⭐ 8.48K Points at 04-Dec-2025 07:26 am in Math

Explanation by: Ankit Singh
Perimeter = 4 × 21 = 84 cm.

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