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Soh Cah Toa
Geometry
Level 3
Find the length of the vertical dotted line \(x\).
\[\frac {4 \sqrt {3} + 3}{10}\]
\[\frac{4 \sqrt {2} + 3}{5}\]
\[\frac{4 \sqrt {3} + 3}{9}\]
\[\frac{6 \sqrt {3} + 3}{10}\]
\[\frac{4 \sqrt {2} + 1}{10}\]
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