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Solve for BC.
Round your answer to the nearest tenth.

Please help due today!!

Solve for BC. Round your answer to the nearest tenth. Please help due today!!-example-1

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Explanation:

In RIGHT triangles such as this one

sin Φ = opposite leg / hypotenuse

for THIS right triangle

sin (54.2) = BC / 30 re-arrange

30 * sin (54.2) = BC <=====use calculator to finish

User Boindiil
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