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Luba_88 [7]
2 years ago
7

What is the cosine ratio of angle XZW?

Mathematics
2 answers:
-BARSIC- [3]2 years ago
4 0

Answer:the answer is .B the second one

Step-by-step explanation:

PSYCHO15rus [73]2 years ago
3 0

  • XW=12

\\ \sf\longmapsto tan60=\dfrac{WZ}{XW}

\\ \sf\longmapsto \sqrt{3}=\dfrac{WZ}{12}

\\ \sf\longmapsto WZ=12√3

\\ \sf\longmapsto WZ=20.78

Now

\\ \sf\longmapsto XZ^2=20.78^2+12^2

\\ \sf\longmapsto XZ^2=431.8+144

\\ \sf\longmapsto XZ^2=575.8

\\ \sf\longmapsto XZ\approx 24

Now

\\ \sf\longmapsto cos\Theta=\dfrac{XW}{XZ}

\\ \sf\longmapsto cos\Theta=\dfrac{12}{24}

\\ \sf\longmapsto cos\Theta=\dfrac{1}{2}

Option C

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