irocktheworld11 irocktheworld11

18-03-2019
Mathematics

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What is the value of x in the diagram below?
WILL MARK BRAINLIEST IF CORRECT

A - 18√2
B - 18/√3
C - 18√2/√3
D - 18√3/√2

What is the value of x in the diagram below WILL MARK BRAINLIEST IF CORRECT A 182 B 183 C 1823 D 1832 class=

What is the value of x in the diagram below WILL MARK BRAINLIEST IF CORRECT A 182 B 183 C 1823 D 1832 class=

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EdwardYang EdwardYang

19-03-2019

The cosine of 30° is √3 / 2.

Since cosine is Adjacent over Hypotenuse, Hypotenuse = (2 / √3) * 9 = 18 / √3.

The cosine of 45° is √2 / 2.

Therefore, X = (2 / √2) * (18 / √3) = 36 / √6 = 18 / √1.5 = C

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