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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.

 Oct 3, 2021
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Distance from 0,0 to 15,9   is the radius     =   sqrt (15^2 + 9^2) = sqrt306

 

x^2 + y^2 = 306   is your circle

 Oct 3, 2021

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