Question 6 of 10 A construction 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 9 feet and the sides have a length of 12 feet. He also measured one diagonal to be 15 feet. What is the length of the other diagonal? O A. 12 feet O B. 21 feet O C. 15 feet D. 9 feet SUBMIT​