2020 AIME II Problems/Problem 15

Problem

Let $\triangle ABC$ be an acute scalene triangle with circumcircle $\omega$ . The tangents to $\omega$ at $B$ and $C$ intersect at $T$ . Let $X$ and $Y$ be the projections of $T$ onto lines $AB$ and $AC$ , respectively. Suppose $BT = CT = 16$ , $BC = 22$ , and $TX^2 + TY^2 + XY^2 = 1143$ . Find $XY^2$ .

Solution

Video Solution

https://youtu.be/bz5N-jI2e0U?t=710

2020 AIME II (Problems • Answer Key • Resources)
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2020 AIME II Problems/Problem 15

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Problem

Solution

Video Solution

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