SOLUTION: The area of a circle is (9y^2+78y+169)(pi) square centimeters. What is the diameter of the circle (make sure answer is labeled correctly)?

Algebra ->  Surface-area -> SOLUTION: The area of a circle is (9y^2+78y+169)(pi) square centimeters. What is the diameter of the circle (make sure answer is labeled correctly)?      Log On


   

Question 402354: The area of a circle is (9y^2+78y+169)(pi) square centimeters. What is the diameter of the circle (make sure answer is labeled correctly)?
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
r = (3y + 13) cm
d = (6y + 26) cm