SOLUTION: find the area and the perimeter. Perimeter is 50m area is 62sq

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Question 673644: find the area and the perimeter.
Perimeter is 50m
area is 62sq
Answer by ReadingBoosters(3246) About Me  (Show Source):
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???Find the area and perimeter, and perimeter is 50m and area is 62sq???
...
Find length and width?
2(l) + 2(w) = 50, so l = (50-2w)/2 = 25-w
(l)(w) = 62,
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(25-w)w = 62
25w - w^2 = 62
0 = w^2 - 25w + 62
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w^2 - 25w + 156.25 = -62 + 156.25
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(w-12.5)^2 = 94.25
sqrt%28w-12.5%29%5E2 = +/- sqrt%2894.25%29
...
w - 12.5 = +/- sqrt%2894.25%29
w=12.5%2B-sqrt%2894.25%29
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w = 12.5 + 9.71
w = 12.5 - 9.71
...
highlight_green%2822.21%29 and highlight_green%282.79%29
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