[2,-1 [-5,4 would be the answer because for you to be able to see where your line is going to go you have to finish it
I believe this is J with a radius of 6
the formula for circumference is 2(pi)r so i just took the 12(pi) and divided it by 2, which left me with 6(pi), meaning that 6 would be the "r" in the situation