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Omni-MATH / Let ABCD be a quadrilateral with an inscribed circle ω that has center I. If IA=5,IB=7,IC=4,ID=9, find the value of (AB)/(CD).

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problem

Let ABCDA B C D be a quadrilateral with an inscribed circle ω\omega that has center II. If IA=5,IB=7,IC=4,ID=9I A=5, I B=7, I C=4, I D=9, find the value of ABCD\frac{A B}{C D}.
Plain-text mathematical notation (without MathML)
Let ABCD be a quadrilateral with an inscribed circle ω that has center I. If IA=5,IB=7,IC=4,ID=9, find the value of (AB)/(CD).
Original LaTeX notation
Let $A B C D$ be a quadrilateral with an inscribed circle $\omega$ that has center $I$. If $I A=5, I B=7, I C=4, I D=9$, find the value of $\frac{A B}{C D}$.

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Source and history

task_id
712520bc-5dba-5e46-9c99-b2522345db87
task_key
test--712520bc-5dba-5e46-9c99-b2522345db87
task_revision_id
1
config / split
/ test

Official source

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