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OpenStudy (kj4uts):
Calculate the length b to two decimal places. I think the answer is B. 21.64?
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OpenStudy (kj4uts):
OpenStudy (phi):
do you know the Law of Cosines?
OpenStudy (anonymous):
Law of Cosines http://en.wikipedia.org/wiki/Law_of_cosines I used the Sine Law to solve the problem. Much more involved than using the Cosine Law. Using the Law of Cosines, verify that b = 21.6386
OpenStudy (kj4uts):
@robtobey so I was right with choice b.?
OpenStudy (anonymous):
Yes.
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