15. Sense or Nonsense
cense or Nonsense? Sam and Dave each solve the problem at
e right. Sam says the sum is 4 feet 18 inches. Dave says the sum
e 5 feet 6 inches. Whose answer makes sense? Whose answer is
nonsense? Explain.

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