Answer:
The sum of the three angles of any triangle will always be 180 degrees because when all three angles are put together, they form a straight line.
Step-by-step explanation:
I did it on Edgenuity
Solve both equations for y:

Set the expressions equal to each other:

So, for every nonzero number a the system of equations has
one solution.
12/ sin(113.17) = b/ sin (37.81)
so b= 8
Lol im not doing your summer hw do it yourself