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Viktor [21]
3 years ago
8

In the right trange show, A=30 degrees and AC=12 How long is AB

Mathematics
1 answer:
Levart [38]3 years ago
4 0

Answer:

AB=6\sqrt{3}

Step-by-step explanation:

Given\ \angle A=30\textdegree\\\\AC=12\\\\\cos \theta=\frac{adjacent}{hypotenuse}\\\\\cos A=\frac{AB}{AC}\\\\\cos 30=\frac{AB}{12}\\\\\frac{\sqrt{3}}{2}=\frac{AB}{12}\\\\AB=6\sqrt{3}

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