AMC 10 Step by Step
2012 AMC 10BProblem 21P21-25~5 minPrint

Four distinct points are arranged on a plane so that the segments connecting them have lengths aa , aa , aa , aa , 2a2a , and bb . What is the ratio of bb to aa ?

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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.