Answer:
19.2
Step-by-step explanation:
Cosine rule :

c will always be the hypotenuse.
a and b can be any if the opposite or the adjacent.

\sqrt{369}=19.20937...
Step-by-step explanation:
sorry I don't know this question I'm very very sorry. why am I even here if I don't know the awnser to this? hopefully somewhere near the future I learn these type of problems. so I can get better at awnsering these.
Answer:
I say C.
Step-by-step explanation: