Solve the problem.The length of the diagonal of a rectangle is given by  where L and W are the length and width of the rectangle. What is the length of the diagonal, D, of a rectangle that is 42 inches long and 7 inches wide? Round your answer to the nearest tenth of an inch, if necessary.

A. 41.4 in.
B. 7 in.
C. 42.6 in.
D. 17.1 in.


Answer: C

Mathematics

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