145-60=85. That is the answer
ANSWER
The length of the diagonal is 5 ft
EXPLANATION
The diagram of the rug with the diagonal is:
The diagonal and the sides form a right triangle, so we can use the Pythagorean theorem to find x, the length of the diagonal:
Hey there!

By using this formula, we plug it in.
Your correct answer would be
. . .
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Hope this helps.
~Jurgen