What is the measure of angle 8 if AB = 7 and AC = 9? Round to the nearest degree.
2 answers:
tan(angle) = opposite/adjacent
tan(B) = AC/AB
tan(B) = 9/7
B = arctan(9/7)
B = 52.125 which is approximate
B = 52
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The final answer is choice D) 52 degrees
the answer is 52°
use the laws of trig
its a right triangle, so cotan 9/7 is 52°
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16 = 16
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