AMC 10 Step by Step
2010 AMC 10BProblem 7P1-10~2 minPrint

A triangle has side lengths 1010 , 1010 , and 1212 . A rectangle has width 44 and area equal to the area of the triangle. What is the perimeter of this rectangle?

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Problem © Mathematical Association of America (MAA), American Mathematics Competitions. Reproduced for non-commercial educational use. Solution and commentary are original to this site.