Find the area. Choose the correct formula — the one with c2 in it. Find the sines of the two given angles. The sine of 45 degrees equals 0.707, and the sine of 55 degrees equals
Find the semi perimeter (half perimeter) of the given triangle by adding all
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You can calculate the area of a triangle easily from trigonometry: area = 0.5 * a * b * sin (γ) Two angles and a side between them (ASA) There are different triangle area formulas