How to Use Sine to Find the Length of a Triangle’s Side

First, let’s take a look at a right triangle. The triangle below is a right triangle because one of the angles is exactly 90°. You can tell by the little box in the corner; that box means 90°. The side that is opposite the 90° is the Hypotenuse. Hypotenuse Now focus you attention on one of the other angles. We will look at this angle here. ................
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