3 years ago

HELP PLS PLS PL SPLSLSSPPS

Mathematics

1 answer:

erma4kov [3.2K]3 years ago

8 0

Answer:

x ≈ 73.3

Step-by-step explanation:

Using the cosine ratio in the right triangle

cos39° = $\frac{adjacent}{hypotenuse}$ = $\frac{57}{x}$ ( multiply both sides by x )

x × cos39° = 57 ( divide both sides by cos39° )

x = $\frac{57}{cos39}$ ≈ 73.3 ( to the nearest tenth )

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