SOLUTION: What is the length of the diagonal of a rectangle which has a width of 10 inches and a length of 2 feet?

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Question 304211: What is the length of the diagonal of a rectangle which has a width of 10 inches and a length of 2 feet?
Answer by london maths tutor(243) About Me  (Show Source):
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1 inches = 0.083 feet
10inches = 0.83 ft
+diagonal+=+sqrt%28+0.83%5E2+%2B+2%5E2%29+
+diagonal+=+sqrt%28+4.6889+%29+
diagonal = 2.165 ft