SOLUTION: Write an equation of the circle that determines the boundary of the region where planes can be detected if the range of the radar is 100 kilometers and the radar is at the origin.
Algebra.Com
Question 1163973: Write an equation of the circle that determines the boundary of the region where planes can be detected if the range of the radar is 100 kilometers and the radar is at the origin. How an air traffic controller's job would be different for a region whose boundary is modeled by instead of?
Answer by solver91311(24713) (Show Source): You can put this solution on YOUR website!
The equation of a circle of radius 
centered at )
is:
^2\ +\ (y\,-\,k)^2\ =\ r^2)
John
My calculator said it, I believe it, that settles it
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