Question
Sun February 22, 2009 By: Avi Tripathi

what is the main concept in the chapter circles

Expert Reply
Sun February 22, 2009

as circle is locus of point whose distance from a fixed point is always constant  this fixed point is called center of the circle  and fixed distance is called radius of the circle.  this is the main concept based on that there are many concepts like finding its eq. for which three conditions are always given as there is only three variables in any of the general circle equation which are related to center and radius

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