SOLUTION: The radius of a circle is (x + 9) cm. Find the area of the circle in terms of the variable x. Leave the answer in terms of π.

Algebra ->  Circles -> SOLUTION: The radius of a circle is (x + 9) cm. Find the area of the circle in terms of the variable x. Leave the answer in terms of π.       Log On


   

Question 946703: The radius of a circle is
(x + 9) cm.
Find the area of the circle in terms of the variable x. Leave the answer in terms of π.
Answer by amarjeeth123(570) About Me  (Show Source):
You can put this solution on YOUR website!
Area of the circle=pi*(x+9)^2
Area of the circle=pi*(x^2+18x+81)