Surface area = 2(lw + lh + wh) = 2[(6.6×9.9) + (6.6×16.5) + (9.9×16.5)] - AMAZONAWS Surface Area Formula Explained: How to Calculate the Surface Area Using 2(lw + lh + wh) 📅 March 11, 2026 👤 scraface Mar 11, 2026