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

User Lkostka
by
7.6k points

1 Answer

4 votes

Answer:


AB=6√(3)

Explanation:


Given\ \angle A=30\textdegree\\\\AC=12\\\\\cos \theta=(adjacent)/(hypotenuse)\\\\\cos A=(AB)/(AC)\\\\\cos 30=(AB)/(12)\\\\(√(3))/(2)=(AB)/(12)\\\\AB=6√(3)

In the right trange show, A=30 degrees and AC=12 How long is AB-example-1

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