AMC 10 Step by Step
2010 AMC 10AProblem 16P16-20~4 minPrint

Nondegenerate ABC{\triangle ABC} has integer side lengths, BD{\overline{BD}} is an angle bisector, AD=3AD = 3 , and DC=8DC=8 . What is the smallest possible value of the perimeter?

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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.