L + W = P/2 = 34, so L = 34 - W;
L x W = 280 or (34 - W) x W = 280 ie 34W - W2 = 280 which is W2 - 34W + 280 = 0
This factorises as (W - 14)(W - 20) so the sides are 14 and 20 feet, the latter being the longer.
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The longer of the sides forming the rectangular base of the pyramid.
x2 + 13x
x2+13x
The length works out as 12 cm and the width works out as 5 cm Check: 2*(12+5) = 34 cm which is the perimeter
The longer side is usually called "length".