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Omni-MATH / Let ABCD be a quadrilateral inscribed in a circle with diameter (AD)¯. If AB=5,AC=6, and BD=7, find CD.

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problem

Let ABCDA B C D be a quadrilateral inscribed in a circle with diameter AD¯\overline{A D}. If AB=5,AC=6A B=5, A C=6, and BD=7B D=7, find CDC D.
Plain-text mathematical notation (without MathML)
Let ABCD be a quadrilateral inscribed in a circle with diameter (AD)¯. If AB=5,AC=6, and BD=7, find CD.
Original LaTeX notation
Let $A B C D$ be a quadrilateral inscribed in a circle with diameter $\overline{A D}$. If $A B=5, A C=6$, and $B D=7$, find $C D$.

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