Each of the walls in Harvey’s shed are square and have an area of 84 square feet. What is the approximate height, to the nearest foot, of the walls in Harvey’s shed? A. 8 feet B. 9 feet C. 10 feet D. 21 feet

Aconstruction worker needs to put a rectangular window in the side of a building he knows from measuring that the top and bottom of the window have a width of 8bfeet and the sides have a length of 15 feet he also measured one diagonal to be 17 feet what is the length of the other diagonal