queenniyah542 queenniyah542

08-04-2022
Mathematics

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sqdancefan sqdancefan

10-04-2022

Answer:

x = 5.4

Step-by-step explanation:

The marked sides are the hypotenuse and the side adjacent to the marked angle. That suggests the appropriate trig function is the cosine:

Cos = Adjacent/Hypotenuse

cos(19°) = 5.1/x

x = 5.1/cos(19°) . . . . . multiply by x/cos(19°)

x ≈ 5.4

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