The diagonal of the floor of a rectangular closet is 712 feet. The shorter side of the closet is 412 feet. What is the area of the closet in square feet?

Other side= $\frac{15}{2}2-\frac{9}{2}ft$  = $\frac{225}{4}-\frac{81}{4}ft$  = $\frac{144}{4}$= 6ft

Area of closet =(6 x 4.5)sq.ft = 27 sq.ft