SOLUTION: Use the Law of Cosines to solve for the missing angle of the oblique triangle. Round to the nearest tenth. a = 11, b = 21, c = 25; find angle A. A =______ ° Thanks

Algebra ->  Trigonometry-basics -> SOLUTION: Use the Law of Cosines to solve for the missing angle of the oblique triangle. Round to the nearest tenth. a = 11, b = 21, c = 25; find angle A. A =______ ° Thanks      Log On


   



Question 1129921: Use the Law of Cosines to solve for the missing angle of the oblique triangle. Round to the nearest tenth.
a = 11, b = 21, c = 25;

find angle A.
A =______ °
Thanks in advance

Answer by addingup(3677) About Me  (Show Source):
You can put this solution on YOUR website!
A = 25.842 degrees