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Math·Geometry and Trigonometry·Right triangles and trigonometry

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In the figure shown, the measure of angle $X$ is $55^{\circ }$. The length of $XY$ is $28\text{ units}$ and the length of $XZ$ is $19\text{ units}$. What is the area, in square units, of triangle $XYZ$?

A

$532\sin 55^{\circ }$

B

$266\sin 55^{\circ }$

C

266

D

532