Use trigonometry to find the missing values of the sides of the triangles below.
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Explanation:
tan ● = opposite / adjacent
tan 31.5 = 19 / F
0.613 = 19 / F
0.613F = 19
F = 31
sin ● = opposite / hypotenuse
sin 31.5 = 19 / a
0.52 = 19 / a
0.52a = 19
a = 36. 36