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綱要

  1. tangency
    1. expert

    tangency

    作者:Juan Vicente Sánchez
    主題:圓, 橢圓, 雙曲線
    methods for creating several tangent objects

    expert

    • ellipse and line

    • circle tangent to an ellipse and a line by one of its points

    • tangent lines to two conics

    下一步
    ellipse and line

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