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In the xy plane (3,2) and (13,2) are the coordinates of two points on a circle. If the center of the circle has coordinates (a,2), what is the value of a?
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just figured it out (8,2)
form the equation of circle taking the unknowns as a and r.. then put both the points in the equation ... not you have got two equation and two variables..
A(3,2),B(13,2) C(a,2)\[ AC^2=BC^2\]
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