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!!!##@#$$
Algebra.Com
Question 200402: Analytic Geometry
20. Find the diameter and the area of the cirlce defined by x^2+y^2=64.
Can you please help me and thank you very much!!!##@#$$
Answer by solver91311(24713) (Show Source): You can put this solution on YOUR website!
The equation for a circle centered at )
with radius 
is:
^2 + (y - k)^2 = r^2)
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
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