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forum.virtualchallengemeets.com • View topic - AMC 12A 2011 #17

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AMC 12A 2011 #17

American Mathematics Contest & American Invitational Mathematics Examination. See for more information
Note:USAMO/IMO-level questions need to go in the Olympiad section.
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AMC 12A 2011 #17

Postby stupidityismygam » Thu Feb 10, 2011 6:34 pm

Circles with radii 1, 2, and 3 are mutually externally tangent. What is the area of the triangle determined by the points of tangency?
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