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Thread: Draw Arc tangent to Line

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    Cool Draw Arc tangent to Line

    I'm using ACAD 2009
    Draw a line tangent to arc or circle is easy
    But how to draw an arc or circle tangent to a line or 2 lines?
    Anyone has any idea?
    Thanks!

    Jack Cheong

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    Default Re: Draw Arc tangent to Line

    Quote Originally Posted by jack_fs2002 View Post
    I'm using ACAD 2009
    Draw a line tangent to arc or circle is easy
    But how to draw an arc or circle tangent to a line or 2 lines?
    Anyone has any idea?
    Thanks!

    Jack Cheong
    use circle with the ttr (tan tan radius) option. you click on the 2 lines, and specify a radius and it will place the circle. to get an arc, just trim the circle to the lines.

    If you are at high coordinates trimming the circle using the lines may not work, so you will have to draw a line from the center of the circle perpendicular to the line and the use the new line to trim the circle.

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    Default Re: Draw Arc tangent to Line

    If you mean a circle (or arc) to be tangent to one line only, then draw it using the Center-then-Radius options. When asked for a radius, simply OSnap perp to the line.

    If you wanted it that way but at the end-point of the line, you could either move it after the fact. Or offset the line by the circle's radius, then draw it between the 2 end-points.

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    Default Re: Draw Arc tangent to Line

    For the arc I use fillet set to notrim.

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