Christopher J. answered • 05/18/20
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Grace
Use law of cosines:
b2=a2+c2-2*a*c*cos(B). Use a=10, c=8, B=40. Solve for b.
Grace A.
asked • 05/18/20Law of sines and cosines
Find b, given a=10 , c=8 and m<B=40o
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