If it's a rectangle, 1020 feet.
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23 times 19 equals 437.
437
7.2 hours
29.1333
Let the base be x+4 and the length be x: 1/2*(x+4)*x = 218.5 square feet Multiply both sides by 2 to eliminate the fraction: (x+4)*x = 437 Multiply out the brackets: x2+4x = 437 x2+4x-437 = 0 Solving the above by using the quadratic equation formula will result in: x = -23 or x = 19 so x must be the latter because dimensions can't be negative. Therefore: base = 23 feet and height = 19 feet Proof: 1/2*23*19 = 218.5 square feet