Tom is working on a woodworking project at home. he is building a table and needs five even pieces 3/5 of a foot long and you cut a 2 1/4 feet long piece from a 4 foot piece already just to have enough wood to finish his project

Thomas needs to cut a piece of wood for a model airplane he is builing. He has four pieces of wood: 5 ft, 4 ft, 6 ft, 3 ft long. If the length of wood he needs to cut √11 ft long, which piece of wood should be cut to have the least amount of unused wood