SOLUTION: Can you please help me with this problem. Find the measue of the obtuse angle possibility for the triangle with the following dimensions: B= 38 degrees, b= 21, c= 25.
A)47.13 deg
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Question 142684This question is from textbook Precalculus
: Can you please help me with this problem. Find the measue of the obtuse angle possibility for the triangle with the following dimensions: B= 38 degrees, b= 21, c= 25.
A)47.13 degrees
B)132.87 degrees
C)114.26 degrees
D)145.19 degrees
Thank you very much
This question is from textbook Precalculus
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
Find the measue of the obtuse angle possibility for the triangle with the following dimensions: B= 38 degrees, b= 21, c= 25.
A)47.13 degrees
B)132.87 degrees
C)114.26 degrees
D)145.19 degrees
--------------------
Use the Law of Sines:
Sin(C)/c = Sin(B)/b
Sin(C) = 25[sin(38)/21] = 0.73293...
Therefore C = 47.13 or 180-47.13 = 132.87
------------
I think your answer is "B".
Cheers,
Stan H.
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