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OpenStudy (anonymous):
In triangle ABC, what is the length of side a if A = 22°, C = 115°, and c = 18? 7.44 6.74 5.62 3.44 2.18
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hartnn (hartnn):
you know about sine rule ?
OpenStudy (anonymous):
no?
hartnn (hartnn):
\(\Large \dfrac{a }{\sin A } = \dfrac{c}{\sin C}\) just plug in values :)
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