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OpenStudy (anonymous):
A carpenter makes a triangular frame by joining three pieces of wood with lengths 20 cm, 24 cm, and 30 cm. What are the measures of the angles of the triangle, rounded to the nearest degree?
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OpenStudy (shane_b):
Do you know SOH-CAH-TOA?
OpenStudy (anonymous):
no
OpenStudy (shane_b):
And you're trying to answer a trig problem? This is first-day trig stuff. Here, this should help: http://www.youtube.com/watch?v=r6UZZ-KQNHk
OpenStudy (anonymous):
42º, 53º, 85º
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