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Thread: What shape?

  1. 10th August 2010, 09:17 PM #1
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    Default What shape?

    Imagine you have a plank of wood.

    In that wood there is three holes - a square, a triangle and a circle.

    The challenge is to design a solid shape that will pass completely through all three holes (one hole at a time) with a sliding fit.
    Try to look unimportant, they may be low on ammo.
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  3. 10th August 2010, 09:48 PM #2
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    Default

    Cone
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  4. 10th August 2010, 10:40 PM #3
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    What kind of triangle would it be?
    Pugwash.

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  5. 10th August 2010, 11:45 PM #4
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    It could be a cylinder.
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  6. 11th August 2010, 07:48 AM #5
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    Cone - sorry no.

    Cylinder - sorry no.

    What size triangle, not important. It will become apparent when you know the answer.
    Try to look unimportant, they may be low on ammo.
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  7. 11th August 2010, 01:29 PM #6
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    A cylinder takes care of the circle and the square, but how to incorporate the triangle? I'm gonna have to think about that.
    Pugwash.

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  8. 11th August 2010, 04:45 PM #7
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    And a cone takes care of the triangle and the circle

    The task was to
    "design a solid shape that will pass completely through all three holes (one hole at a time) with a sliding fit."
    no mention of it having to be a watertight fit , so ........
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  9. 11th August 2010, 09:49 PM #8
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    How about a saw?
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  10. 11th August 2010, 11:15 PM #9
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    Quote Originally Posted by pugwash View Post
    A cylinder takes care of the circle and the square, but how to incorporate the triangle? I'm gonna have to think about that.
    It would touch the triangle at 3 points, and, I believe, would give a sliding fit (provided all hole are sized suitably).
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  11. 11th August 2010, 11:44 PM #10
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    Quote Originally Posted by chrisb691 View Post
    It would touch the triangle at 3 points, and, I believe, would give a sliding fit (provided all hole are sized suitably).
    The same with the base of the cone re. the square hole , but apparently neither a cone nor a cylinder fit the answer.
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  12. 12th August 2010, 07:57 AM #11
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    Guys, has PM'd the correct answer with a link to the solution. I wasn't aware there was such a link but thank god for because I am a lousy artist.

    The object in question has to be a sliding fit, ie slides through with no gaps, through all three.

    If you want the answer, PM me and I will fwd you the link sent me.
    Try to look unimportant, they may be low on ammo.
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  13. 12th August 2010, 11:25 AM #12
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    Quote Originally Posted by Soredust View Post
    Guys, has PM'd the correct answer with a link to the solution. I wasn't aware there was such a link but thank god for because I am a lousy artist.

    The object in question has to be a sliding fit, ie slides through with no gaps, through all three.

    If you want the answer, PM me and I will fwd you the link sent me.
    The answer has to be posted on this thread by the person claiming to have it . The rest of us did so with ours .
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  14. 12th August 2010, 12:49 PM #13
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    The shape is a cylinder of height equal to the diameter of the base that has been truncated by two planes that intersect with the base at tangents on opposite points of the circular base, and intersect at the top of the cylinder along the line of the diameter. Circle, square and triangle...

    Cheers
    Michael
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  15. 12th August 2010, 08:00 PM #14
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    Quote Originally Posted by mic-d View Post
    The shape is a cylinder of height equal to the diameter of the base that has been truncated by two planes that intersect with the base at tangents on opposite points of the circular base, and intersect at the top of the cylinder along the line of the diameter. Circle, square and triangle...

    Cheers
    Michael
    If the above means nothing to you, the shape can be seen here - Triangle Circle Square

    Google takes the fun and hard work out of Quizzes. (did I spell quizzes right?)
    Try to look unimportant, they may be low on ammo.
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  16. 12th August 2010, 08:43 PM #15
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    Quote Originally Posted by Soredust View Post
    Google takes the fun and hard work out of Quizzes. (did I spell quizzes right?)

    ASK
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