SOLUTION: Analytic Geometry 20. Find the diameter and the area of the cirlce defined by x^2+y^2=64. Can you please help me and thank you very much!!!##@#$$

Algebra ->  Quadratic Equations and Parabolas -> SOLUTION: Analytic Geometry 20. Find the diameter and the area of the cirlce defined by x^2+y^2=64. Can you please help me and thank you very much!!!##@#$$      Log On


   

Question 200402: Analytic Geometry
20. Find the diameter and the area of the cirlce defined by x^2+y^2=64.
Can you please help me and thank you very much!!!##@#$$
Answer by solver91311(24713) About Me  (Show Source):
You can put this solution on YOUR website!


The equation for a circle centered at with radius is:



So your circle has a center at (0,0) and a radius of the square root of 64.

The diameter of a circle is twice the radius, and the area is times the radius squared.


John