condition when two circles intersects ?
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Two circles will touch if the distance between their centres, , is equal to the sum of their radii, or the difference between their radii. The centre of one circle will lie on the other circle when. Two circles are concentric when.
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Two circles will touch if the distance between their centres, , is equal to the sum of their radii, or the difference between their radii. The centre of one circle will lie on the other circle when. Two circles are concentric when. The intersections of two circles determine a line known as the radical line. If three circles mutually intersect in a single point, their point of intersection is the intersection of their pairwise radical lines, known as the radical center.
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