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Omni-MATH / Let ABCD be a rectangle with AB=20 and AD=23. Let M be the midpoint of CD, and let X be the reflection of M across point A. Compute the area of triangle XBD.

Problem

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problem

Let ABCDA B C D be a rectangle with AB=20A B=20 and AD=23A D=23. Let MM be the midpoint of CDC D, and let XX be the reflection of MM across point AA. Compute the area of triangle XBDX B D.
Plain-text mathematical notation (without MathML)
Let ABCD be a rectangle with AB=20 and AD=23. Let M be the midpoint of CD, and let X be the reflection of M across point A. Compute the area of triangle XBD.
Original LaTeX notation
Let $A B C D$ be a rectangle with $A B=20$ and $A D=23$. Let $M$ be the midpoint of $C D$, and let $X$ be the reflection of $M$ across point $A$. Compute the area of triangle $X B D$.

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Source and history

task_id
19b93813-ef39-576c-95f4-91adf33dd632
task_key
test--19b93813-ef39-576c-95f4-91adf33dd632
task_revision_id
1
config / split
/ test

Official source

initial import