A rectangles diagonal is 13 meters, and its length is 12 meters. What is the width?

Fri, 01 May 2026 23:56:42 +0000

**A rectangles diagonal is 13 meters, and its length is 12 meters. What is the width?** Curious about geometry in everyday designs? You’ve likely seen rectangles shaped by exact measurements—like a 13-meter diagonal and 12-meter length—and wondered how they fit together. Understanding how sides relate numerically matters in construction, interior planning, and digital design, especially as precision becomes increasingly valued. Using the Pythagorean theorem—the foundation for rectangle dimensions—if the diagonal spans 13 meters and one side stretches 12 meters, the missing width reveals itself through simple math: reducing square root relationships shows the width equals √(13² – 12²). Calculating this confirms the width is 5 meters, a standard balance of proportion and utility. In a U.S. market increasingly focused on efficient space use—from urban homes to office layouts—this precise relationship supports better planning. The diagonal relationship remains a subtle yet vital reference in design, reminding how dimensional accuracy shapes functionality.