SOLUTION: PLease help me Find the measure of angle A in Triangle ABC to the nearest degree if A= 4, B= 13, and C= 45 degrees?

SOLUTION: PLease help me Find the measure of angle A in Triangle ABC to the nearest degree if A= 4, B= 13, and C= 45 degrees?

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Question 1008804: PLease help me Find the measure of angle A in Triangle ABC to the nearest degree if A= 4, B= 13, and C= 45 degrees?

Answer by Fombitz(32388) (Show Source): You can put this solution on YOUR website!
I assume that and are measures of the sides.
Use the law of cosines to find the unknown side, .

Then use the law of sines,

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