Studying Mathematics Is Really Useful for Everyone
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Studying Mathematics Is Really Useful for Everyone
Ever wondered why A4 paper is exactly 297 × 210 mm? It’s not a coincidence — it’s pure mathematics. The A-series paper sizes follow the square-root-of-2 ratio (1.414), which keeps the proportions identical when a sheet is folded or scaled. A simple example of how math keeps design, engineering, and everyday life perfectly balanced. # ...
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