Do problem in seconds Hard SAT Math Trigonometry shortcut

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A nice question that can be done in seconds as long as you know that the sine of two corresponding angles in similar triangles are congruent.
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Did u mean pair of congruent sides or a pair of congruent angles?

jmaxim
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Yeah Felix reminded me about Sine 30 = Cosine 60.

In this case, since the THETA is where the "60" degrees is located, Sin will be equal to adjacent/hypotenuse. That's why it's SO much easier to solve this problem faster by that notion. The one time geometry/trigonometry rules come in clutch.

Sgth