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10 cards from this deck
Exactly one point
Point of contact
Perpendicular
Only one (unique)
Two tangents
Equal
xx1+yy1=r2xx_1 + yy_1 = r^2xx1+yy1=r2
(x1−h)(x−h)+(y1−k)(y−k)=r2(x_1-h)(x-h) + (y_1-k)(y-k) = r^2(x1−h)(x−h)+(y1−k)(y−k)=r2
Possible, internally or externally
3x+4y=253x + 4y = 253x+4y=25
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