"SAS" is how you find the angle in between. Use the law of cosines to calculate the unknown side, then use the law of sines to find the simuliar of the other two angles, then use three angles add to 180 degrees to find the last angle.
Answer:
12%
Step-by-step explanation:
Do you have a formula sheet or was one provided to you
It would be A because i don’t know it just is