Answer:
x = 43.6
Explanation:
Reference angle = 40°
Opposite = 28
Hypotenuse = x
Using trigonometric ratios, we have:
Sin(40) = 28/x
Multiply both sides by x
x*Sin(40) = 28
Divide both sides by Sin(40)
x = 28/Sin(40)
x = 43.6 (nearest tenth)
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