If you have a rectangle whose Perimeter equals 60 and the Area equals 200 what are the lengths of the four sides?

If you have a rectangle whose Perimeter equals 60  and the Area equals 200 what are the lengths of the four sides?
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Answer :

The rectangle must have sides with lengths of 20, 20, 10, and 10.20+20+10+10 = 60 (perimeter)20*10 = 200 (area)
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