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March 29, 2017

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Which of the following can be used to describe the triangle with the vertices listed below?

F(-1, 2), G(-10, 2), H(-12, -11)

I. acute
II. obtuse
III. right
IV. scalene
V. isosceles
VI. equilateral

--------Please help!!! Explain.

  • Geometry - ,

    F and G lie on the same horizontal line.
    H lies a bit to the left of G, and well below it.

    That makes angle FGH obtuse.
    If only one answer may be chosen, then (II)

    FG=9
    FH=17.02
    GH=13.15
    So, (IV) is also true

  • Geometry - ,

    I had answered that same question for you yesterday.
    http://www.jiskha.com/display.cgi?id=1332712679

    Please check back to see if your question has been answered before posting it again.

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