Any circle that can given by

have a center of

You can choose
any positive value for the radius

Hence, there are infinity circles.
180/3x then you get you answer
Answer:
6n-2
is this what you needed??,
Answer:
21,637
Step-by-step explanation:
You can just use a caculator- Or simple multiplication by putting it on top of eachother.
You can do this many ways,just multiply with pen and paper,put 250 on top,and 85 on bottom which is 21,250,the add from there!
Hope I helped!!