SOLUTION: a rectangle has a diagonal of 12 cm and its long sides are twice the length of the short sides.What are the lengths of both sides of the rectangle

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Question 902650: a rectangle has a diagonal of 12 cm and its long sides are twice the length of the short sides.What are the lengths of both sides of the rectangle
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!
(2s)^2 + s^2 = 144cm^2
5s^2 = 144 (Tossing out the negative solution for unit measure)
s = 12√5/5