SOLUTION: The doorway into a room is 4 feet wide and 8 feet high. What is the length of the longest rectangular panel that can be taken through this doorway diagonally?

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Question 347263: The doorway into a room is 4 feet wide and 8 feet high.
What is the length of the longest rectangular panel that can
be taken through this doorway diagonally?
Answer by checkley77(12844) About Me  (Show Source):
You can put this solution on YOUR website!
4^2+8^2=c^2
16+64=c^2
80=c^2
c=sqrt80
c=8.944 ft. ans.