Given the following right triangle, what is the measure of angle B

asked Dec 1, 2018 95.4k views

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need the arctan of the 2 lengths given

9/12 reduces to 3/4

arctan on the calculator is tan^-1

arctan(3/4) = 36.86989 degrees

round off the answer as needed

Petula answered Dec 5, 2018

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