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document.write( "Discussion
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document.write( "The perimeter of a general trapezoid is simply the sum of the 4 sides.\r
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document.write( "Solution
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document.write( "You are given expressions for the 4 sides:
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document.write( "And you are given the perimeter,
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document.write( "Although the problem doesn't state, you must assume that the constant values
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document.write( "in the expressions for three of the sides are in feet since the perimeter is
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document.write( "given in feet. Without this assumption, the problem cannot be solved as
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document.write( "Combining the given information into the formula for the perimeter we have:
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document.write( "Combining like terms we have:
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document.write( "Add -375 to both sides:
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document.write( "And divide by 4:
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document.write( "Check Answer
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document.write( "and
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: Answer checks.
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