document.write( "Question 542143: a triangle has the sides 18m by 90m by 105 m. what are its angles? I think you are supposed to use the law of sines or law of cosines but im not sure which one is most suited for this question. \n" ); document.write( "
Algebra.Com's Answer #354452 by jim_thompson5910(35256)\"\" \"About 
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You would use the law of cosines since the law of sines needs at least one angle known. \n" ); document.write( "
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