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Home Q & A Board Science-Related Homework Help Mathematics
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Jumprgrl367 Jumprgrl367
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10 years ago
I am given the 3 side lengths and I get no calculator. Side lengths are 41, 28, and 20. What are the angle lengths.
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wrote...
#1
10 years ago
law of sine, though law of cosine is how i would go about solving your problem.
wrote...
#2
10 years ago
Sine rule.
a/sinA = b/sinB = c/sinC
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#3
10 years ago
there are the laws of sines, cosines and tangents. but all of them require a calculator, or some sort of table of the functions. Can you use a slide rule??
wrote...
#4
10 years ago
Yes, there is a way of getting the angles without a calculator.  You could just go on Yahoo! Answers and get other people to do the work FOR you.

...But I see you've already figured out this method.
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