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Mathematics 16 Online
OpenStudy (anonymous):

What are the angle measurements of this triangle? (see attachment)

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

OpenStudy (anonymous):

30, 60, 90

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