SOLUTION: a rectangular piece of paper is 7cm wide and 10cm long.how long is the diagonal?

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Question 312367: a rectangular piece of paper is 7cm wide and 10cm long.how long is the diagonal?
Answer by Fombitz(32388) About Me  (Show Source):
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The width and length form the legs of a right triangle with the hypotenuse being the diagonal.
D%5E2=W%5E2%2BL%5E2=7%5E2%2B10%5E2=149
D=sqrt%28149%29