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if three sides of trapezoid are each 6 inches long, how long must the fourth side be if the area is maximum?

User Evan Dark
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A trapezoid can be seen as a rectangle with a triangle split in half. the largest area that a triangle can make with two sides of 6 would be a right triangle, which means that the last side is 6* square root of 2.
The rectangle will have two sides of size 6 guaranteed. therefore, the last side would be a side of length 6+6*sqrt 2
User Maykeye
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