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2020 CIME I Problems/Problem 5

Revision as of 22:05, 30 August 2020 by Jbala (talk | contribs) (Created page with "==Problem 5== Let <math>ABCD</math> be a rectangle with sides <math>AB>BC</math> and let <math>E</math> be the reflection of <math>A</math> over <math>\overline{BD}</math>. If...")
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Problem 5

Let $ABCD$ be a rectangle with sides $AB>BC$ and let $E$ be the reflection of $A$ over $\overline{BD}$. If $EC=AD$ and the area of $ECBD$ is $144$, find the area of $ABCD$.

Solution

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2020 CIME I (Problems • Answer Key • Resources)
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Problem 6
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