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Using the technique in the model above, find the missing segment in this 30° -60° -90° right triangle.

Using the technique in the model above, find the missing segment in this 30° -60° -90° right-example-1

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You can follow this way:


\cos(30) = (6)/(ac)

so we have:


ac = (12)/( √(3) ) = 4 √(3)

User Akira  Noguchi
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