The answer is B, hope this helps
Answer:
3 and 6
Step-by-step explanation:
9.929
-1.091 + 12.12 = 11.029
11.029+(-1.1) = 9.929
34⁰
let unknown angle be x
cos x=19/23
cos x=0.826
x=cos inverse of 0.826
x=34.3⁰