Hello there!
Sense this is a 360 degree angle, it is divide by 2. This would then be considered 180. If you (noticed) on the other side, it shows us that . . .

We then do (180-19)
M = negative 1 I hope this helps
Answer:
thx
Step-by-step explanation:
Answer:
V = 10x 4x 12
I think that's the answer :)