A quadrilateral $ABCD$ is inscribed in a circle with diameter $AD$. Using a ruler and a compass, construct a triangle inscribed in the same circle and having the same area as $ABCD$.
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Tags: geometry, construction
A quadrilateral $ABCD$ is inscribed in a circle with diameter $AD$. Using a ruler and a compass, construct a triangle inscribed in the same circle and having the same area as $ABCD$.