The deep mathematics of why 10² + 11² + 12² = 13² + 14² | by Ethan Siegel | Starts With A Bang! | Sep, 2025
Press enter or click to view image in full sizeThis simple multiplication table shows the first 20 perfect squares along the diagonal of the table. Bizarrely enough, not only does 3² + 4² = 5², but 10² + 11² +...

















