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Mathematics 11 Online
OpenStudy (kj4uts):

Calculate the length b to two decimal places. I think the answer is B. 21.64?

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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