SOLUTION: What are the sides of A, b, and a in the triangle if given A = 25°, b = 28, a = 18. Thanks in advance. So far I have this work: https://s16.postimg.org/nq5u4704l/math_4.png

Algebra ->  Test -> SOLUTION: What are the sides of A, b, and a in the triangle if given A = 25°, b = 28, a = 18. Thanks in advance. So far I have this work: https://s16.postimg.org/nq5u4704l/math_4.png      Log On


   



Question 1077544: What are the sides of A, b, and a in the triangle if given A = 25°, b = 28, a = 18. Thanks in advance.
So far I have this work: https://s16.postimg.org/nq5u4704l/math_4.png

Answer by Boreal(15235) About Me  (Show Source):
You can put this solution on YOUR website!
The work is fine except that you went from A=25 deg to A=28 deg.
B=41.1
Therefore, C=110.9 deg.
c^2=a^2+b^2-2ab cos C=324+784-(-1008*(-.3567))=1467.59
c=38.31, essentially the same answer.