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    maramfaith24's Avatar
    maramfaith24 Posts: 41, Reputation: 1
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    #1

    Jan 12, 2011, 06:44 PM
    Do circle has focus points?
    Does the conic section, cirlce.. Have focus point?
    ebaines's Avatar
    ebaines Posts: 12,131, Reputation: 1307
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    #2

    Jan 13, 2011, 08:52 AM

    Yes, and no. You might think of a circle as an ellipse whose focii are distance 0 from the center. But that point is called the "center" of the circle, no its "focus."
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