AoPS Wiki:Problem of the Day/September 14, 2011

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Revision as of 16:27, 14 September 2011 by Negativebplusorminus (talk | contribs) (Created page with "Given kite <math>ABCD</math>, with <math>AB=AC</math>. If <math>13AC=14AB</math>, and <math>BC=15</math>, then find the area of ABCD.")
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Given kite $ABCD$, with $AB=AC$. If $13AC=14AB$, and $BC=15$, then find the area of ABCD.