Question

Please check my answer
Determine the number of possible solution for each triangle.
1) A=113°, a=15, b=8
2) B=44°, a=23, b=12


1) Angle B=28˚
Angle C=39˚ ?
2) Angle A=76.8˚ ?

Answer 1

I got 29˚ for angle B. In the first one.

Answer 2

the key for number 2 is 0
I don't know how to get that answer