Whats a 45 degree angle? It’s an angle that measures exactly halfway between 0 and 90 degrees. This angle is common in geometry and often appears in architecture and design. It forms a perfect diagonal, making it useful in both aesthetics and structure. You’ll often see it in roof slopes, tile patterns, and furniture design. https://www.uniccm.com/blog/what-is-a-45-degree-angle-and-how-is-it-used-in-architecture