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OpenStudy (anonymous):
What are the angle measurements of this triangle? (see attachment)
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OpenStudy (anonymous):
OpenStudy (anonymous):
use some inverse trig!
OpenStudy (anonymous):
tan(a) = (7 * sqrt(3)) / 21
OpenStudy (anonymous):
tan(b) = 21 / (7 * sqrt(3))
OpenStudy (anonymous):
c = 180 - a - b
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OpenStudy (anonymous):
30, 60, 90
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