SOLUTION: (x+5)*2+(y+7)*2=21*2 what is the length of the circle.

Algebra ->  Quadratic-relations-and-conic-sections -> SOLUTION: (x+5)*2+(y+7)*2=21*2 what is the length of the circle.      Log On


   



Question 319924: (x+5)*2+(y+7)*2=21*2 what is the length of the circle.
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
By length, do you mean circumference?
If so,
C=2%2Api%2AR
C=2%2Api%2A21
C=42%2Api