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Math Help - can someone please help meee.

  1. #1
    Newbie
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    can someone please help meee.

    classify each of concurrency described as being inside,outside, or on the triangle.

    1. the orthocenter of an acute triangle

    2. the incenter of an obtuse triangle

    3. the circumcenter of a right triangle
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  2. #2
    Super Member

    Joined
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    Lexington, MA (USA)
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    Hello, whmandy!

    Classify each concurrency described as being inside, outside, or on the triangle.

    1. the orthocenter of an acute triangle
    In an acute triangle, the altitudes intersect inside the triangle.
    . . The orthocenter is inside the triangle.



    2. the incenter of an obtuse triangle
    In any triangle, the angle bisectors intersect inside the triangle.
    . . The incenter is always inside the triangle.



    3. the circumcenter of a right triangle
    A right triangle can be inscribed in a semicircle.
    Its circumcenter is the midpoint of the hypotenuse.
    . . The circumcenter is on the right triangle.

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