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Thread: Min/max area of isosceles triangle inscribed in circle

  1. #1
    Senior Member Spec's Avatar
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    Min/max area of isosceles triangle inscribed in circle

    Find the min and max area (if such values exist) of an isosceles triangle inscribed in a circle with the radius R.

    I have no idea where to begin.
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  2. #2
    MHF Contributor
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    1) Draw a circle.
    2) Put an isosceles-looking triangle in it.
    3) Label the equal sides.
    4) Find the center of the circle.
    5) From the center ot each Vertex is "R".
    6) What do you know about the angle subtended by an angle inscribed in a circle?
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  3. #3
    Eater of Worlds
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    A suggestion: look through the site search to see if a similar problem has been posed in the past.

    See here: http://www.mathhelpforum.com/math-he...-question.html
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