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Math Help - Surface area/volume

  1. #1
    Junior Member Bartimaeus's Avatar
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    Arrow Surface area/volume

    I've got a test next week, and I can't remember the equation for the surface area and volume of:
    a) a sphere
    b) a pyramid/cone

    Please jolt my memory, thanks.
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  2. #2
    Grand Panjandrum
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    Quote Originally Posted by Bartimaeus
    I've got a test next week, and I can't remember the equation for the surface area and volume of:
    a) a sphere
    b) a pyramid/cone

    Please jolt my memory, thanks.
    GOOGLE

    MATHWORLD

    WIKIPEDIA

    RonL
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  3. #3
    dan
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    Quote Originally Posted by Bartimaeus
    I've got a test next week, and I can't remember the equation for the surface area and volume of:
    a) a sphere
    b) a pyramid/cone

    Please jolt my memory, thanks.
    the volume of a sphere is V=[4pi(r^3)]/3
    the volume of a righ cone is V=[pi(r^2)h]/3
    the volume of a right pyarimid is V=[(area of base)h]/3 which is the same as [pi(r^2)h]/3
    were r is radius and h is hight
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  4. #4
    Grand Panjandrum
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    Quote Originally Posted by dan
    the volume of a sphere is V=[4pi(r^3)]/3
    the volume of a righ cone is V=[pi(r^2)h]/3
    the volume of a right pyarimid is V=[(area of base)h]/3 which is the same as [pi(r^2)h]/3
    were r is radius and h is hight
    Give a man a fish and you feed him for a day. Teach a man to fish and you feed him for a lifetime.

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  5. #5
    Member Glaysher's Avatar
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    Quote Originally Posted by CaptainBlack
    Give a man a fish and you feed him for a day. Teach a man to fish and you feed him for a lifetime.

    Chinese Proverb
    But teach a forum user how to get his own answers then man becomes no longer a forum user
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  6. #6
    Forum Admin topsquark's Avatar
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    Quote Originally Posted by Glaysher
    But teach a forum user how to get his own answers then man becomes no longer a forum user
    But isn't the ultimate goal of a teacher to teach a student to be able to learn on their own? The guide to self-mastery. That's always been my goal.

    -Dan
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  7. #7
    dan
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    Talking

    Quote Originally Posted by CaptainBlack
    Give a man a fish and you feed him for a day. Teach a man to fish and you feed him for a lifetime.

    Chinese Proverb
    good piont...but he had a test coming up and...I know how that can be
    dan
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  8. #8
    Member Glaysher's Avatar
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    Quote Originally Posted by topsquark
    But isn't the ultimate goal of a teacher to teach a student to be able to learn on their own? The guide to self-mastery. That's always been my goal.

    -Dan
    I was joking. I used my very first emoticon to emphasise it.

    I in no way think that Captain Black was wrong, especially since the answers would be so easy to find.
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