Well when you add up all three angles of a triangle you should get 180 degrees.
Answer:
Step-by-step explanation:
d = c/pi
so d = 62.8/pi
d = 62.8/pi or appr 19.99in
r = d/2
so r = 62.8/2pi or 31.4/pi appr 19.99/2

so

then

so
a = approximately 313.84
answer is rowan
The correct answer is 317
Answer:
216
Step-by-step explanation:
It's this graph. You didn't give me any options in the question.