A math problem delineating the largest-size sofa that can fit around a corner has finally been solved, though it may not help you move.

We asked interior designers to pick 2025's top couch trends. From practical layouts to bold colors and materials, these sofa ...

How math could make moving a sofa a piece of cake Who hasn't struggled to fit a sofa through a tight corner or a cramped stairwell? This strange shape makes for the largest possible area that could ...