Asked by anonymous
Solve the oblique triangle given the information:a=3, b=4, ã=40°
Answers
Answered by
drwls
Is ã the angle opposite side a? If so, let's call it A
According to the law of sines,
sin B/b = sin A/a = 0.2143
sin B = 0.8571
B = 60.0 degrees or 120 degrees.
Since you have said it is an oblique triangle, B = 120 and C = 20 degrees
sinC/c = 0.2143, so c = 1.596
According to the law of sines,
sin B/b = sin A/a = 0.2143
sin B = 0.8571
B = 60.0 degrees or 120 degrees.
Since you have said it is an oblique triangle, B = 120 and C = 20 degrees
sinC/c = 0.2143, so c = 1.596
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