Select all that apply. Besides having helped you pass Geometry in High School the Pythagorean Theorem is useful on a building site because of which of these reasons? Select one or more: a. By using of three measurements (4', 6', 8') it is not only a possible method, but also an accurate one of determining if a proposed corner or an existing corner is square (90 Degrees). b. By using of three measurements (3', 4', 5') it is not only a possible method, but also an accurate one of determining if either a proposed corner or a constructed corner is square (90 Degrees). c. The Pythagorean Theorem is also useful in determining plumb as well as square. d. By using of three measurements (6', 8', 10') it is not only a possible method, but also an accurate one of determining if a proposed corner or an existing corner is square (90 Degrees)