Power Centers (retail) In The United States
Power center may refer to: *Power center (geometry), the intersection point of the three radical axes of the pairs of circles *Power center (retail) A power center or big-box center (known in Canadian and Commonwealth English as power centre or big-box centre) is a shopping center with typically of gross leasable area that usually contains three or more big box anchor tenants and various ...

Power Center (geometry)
In geometry, the power center of three circles, also called the radical center, is the intersection point of the three radical axes of the pairs of circles. If the radical center lies outside of all three circles, then it is the center of the unique circle (the radical circle) that intersects the three given circles orthogonally; the construction of this orthogonal circle corresponds to Monge's problem. This is a special case of ththree conics theorem The three radical axes meet in a single point, the radical center, for the following reason. The radical axis of a pair of circles is defined as the set of points that have equal power ''h'' with respect to both circles. For example, for every point P on the radical axis of circles 1 and 2, the powers to each circle are equal, ''h''1 = ''h''2. Similarly, for every point on the radical axis of circles 2 and 3, the powers must be equal, ''h''2 = ''h''3. Therefore, at the intersection point of these two lin ...
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