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A circle has centre (0,0). The point (15,9) is a point on the circle. Find the equation of the circle.

 Mar 29, 2021
 #1
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radius ^2  =  15^2  + 9^2  =   225  +  81    =    306

 

The equation  is

 

x^2  + y^2  = 306

 

 

cool cool cool

 Mar 29, 2021

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