Digital SAT Math Test 6 Question 11

In triangle $ABC$ and $XYZ$, angles $A$ and $X$ each have measure $50°$, $AC=3$, and $XZ=9$. Which additional piece of information is sufficient to prove that triangle ABC is similar to triangle $XYZ$?

$BC=6$ and $YZ=6$
$BC=6$ and $YZ=18$
The measure of angles $B$ and $Y$ are $30°$ and $90°$, respectively.
The measure of angles $B$ and $Z$ are $30°$ and $100°$, respectively.

11/11

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