The circumference is 75.4 :)

Answer:
^^
Step-by-step explanation:
I just pressed 27/90 on the calculator hahahha
I'm pretty sure this is the answer:
(10)sin(40°) = AC
It's <em>sin </em>becasue it <em>needs </em>the opposite side of 40° and <em>has </em>the hypotenuse.
Answer:
The answer is -8.772
Step-by-step explanation: