What is the area of the circle whose equation is (x - 9)^2 + (y - 3)^2 = 64?

4p

8p

16p

64p

Question

Grade: Education Subject: mathematics
What is the area of the circle whose equation is (x - 9)^2 + (y - 3)^2 = 64?

4p

8p

16p

64p
Asked by:
145 Viewed 145 Answers

Answer (145)

Best Answer
(155)
You can read off the square of the radius immediately; it is 64.  Thus, the radius is 8, and the area of the circle is C = pi*r^2, or   C = pi*(8 units)^2.
(98)

Answer:

16pi

Step-by-step explanation: