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alexandr402 [8]
3 years ago
6

Which equation can we use to find the length of the side labeled x? What is the value of x?

Mathematics
1 answer:
hoa [83]3 years ago
5 0

Answer:

see explanation

Step-by-step explanation:

Using the cosine ratio in the right triangle and the exact value

cos30° = \frac{\sqrt{3} }{2}

cos30° = \frac{adjacent}{hypotenuse} = \frac{8\sqrt{3} }{x} → D

and

\frac{8\sqrt{3} }{x} = \frac{\sqrt{3} }{2} ( cross- multiply )

x\sqrt{3} = 16\sqrt{3} ( divide both sides by \sqrt{3} )

x = 16

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