SOLUTION: What is the length of the diagonal of a rectangle with width 3,5 cm and length 4,2cm? Give your answer in simplest surd form

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Question 898274: What is the length of the diagonal of a rectangle with width 3,5 cm and length 4,2cm? Give your answer in simplest surd form
Answer by rfer(16322) About Me  (Show Source):
You can put this solution on YOUR website!
3.5^2+4.2^2=c^2
12.25+17.64=c^2
29.89=c^2
c=5.47