In ΔABC , AB 3 and AC = 9. Find m∠ to the nearest degree.
m(<B)=90 - 18.4 = 71.6 deg
so it's the answer a or c ?
They have to tell you which angle they are asking about, is it C or B. If it's C the answer is a. If it's B the answer is c.
In the statement of the problem above that was not given....
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