1 Answer

Varvara · Answer 1 · 2022-09-24T10:10:10+0000

Answer:

Explanation:

Sine is opposite divided by the hypotenuse.

sin(30) = 9/y

1/2 = 9/y

y = 18

Cosine is adjacent divided by the hypotenuse

cos(30) = x/18

$(√(3) )/(2)=x/18\\x=9√(3)=15.6$

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