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malfutka [58]
3 years ago
6

Find x. 30 20 Need help with this question asap

Mathematics
2 answers:
maria [59]3 years ago
8 0

Answer:

x = 10\sqrt{3}

Step-by-step explanation:

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

cos30° = \frac{\sqrt{3} }{2} , then

cos30° = \frac{adjacent}{hypotenuse} = \frac{x}{20} = \frac{\sqrt{3} }{2} ( cross- multiply )

2x = 20\sqrt{3} ( divide both sides by 2 )

x = 10\sqrt{3}

Molodets [167]3 years ago
6 0
Cos=adjacent/hypotenuse
Cos30=x/20
x=cos30 *20

Sorry I don’t have a calculator right now
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