Find the measure of each angle indicated. Round to the nearest tenth.
2 answers:
<h3>Answer: D) 55.7 degrees approximately</h3>
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The reference angle has AC = 12.3 as the opposite side and BC = 8.4 as the adjacent side. The tangent ratio ties the opposite and adjacent sides together.
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tan(angle) = opposite/adjacent
tan(theta) = AC/BC
tan(theta) = 12.3/8.4
theta = arctan(12.3/8.4)
theta = 55.6697828044967
theta = 55.7 degrees approximately
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arctan is the same as inverse tangent which is written as
make sure your calculator is in degree mode
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