A = \sqrt{21 \times 336} = \sqrt{7056} = 84 \, \text{cm}^2

Mon, 04 May 2026 12:11:11 +0000

# Unlocking the Mystery of Area: √(21 × 336) = 84 cm² When it comes to geometry, understanding how to calculate area is essential—whether you're designing a room layout, planning a construction project, or simply exploring math in everyday life. One intriguing example involves simplifying the radical expression √(21 × 336) and revealing its elegant solution: 84 cm². ## Why Calculating √(21 × 336) Matters While direct area calculations often use whole numbers, mathematical expressions sometimes present simplified forms through square roots. Simplifying √(21 × 336) unlocks insights into the relationship between numbers and geometry, helping students, educators, and DIY enthusiasts alike save time and improve accuracy. In this case, √(21 × 336) simplifies neatly to 84 cm²—a result that reflects both mathematical precision and real-world applicability.