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Math Help - tetrahedron inscribed in a sphere

  1. #1
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    tetrahedron inscribed in a sphere

    can any on help with drawings or not,
    prove that the maximum volume of a regular tetrahedron (prism with equilateral triangles faces) inscribed in a sphere of radius 5 cm is 125 cm^3. thanks in advance
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  2. #2
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    Re: tetrahedron inscribed in a sphere

    If you explain the level of math you are comfortable or knowledgeable working at, then we could proceed with appropriate help for your question.
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  3. #3
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    Re: tetrahedron inscribed in a sphere

    Teto : there is something wrong with your question....
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  4. #4
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    Re: tetrahedron inscribed in a sphere

    Quote Originally Posted by majamin View Post
    If you explain the level of math you are comfortable or knowledgeable working at, then we could proceed with appropriate help for your question.
    im woking at math 2 the proplem is from applications on local maximum and minimum by using derivative of a function i have a good knowledge in solid geometry .if there is something wrong with the final volume just ignore it i want the procedures whatever the final answer is .
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  5. #5
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    Re: tetrahedron inscribed in a sphere

    Quote Originally Posted by MINOANMAN View Post
    Teto : there is something wrong with your question....
    is that better ?
    find the maximum volume of a regular tetrahedron (prism with equilateral triangles faces) inscribed in a sphere of radius 5 cm.
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