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  1. 17-03-2007, 04:37 PM #1
    mangle
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    Default Maths homework :[

    Volume of prisms

    I totally suck as i've been off for 3 weeks.

    Right I have an Isosoles (sp?) triangle. The height is 24m , width 20 m , length 30m and one side of the triangle is 26m

    Anyone help?

    Moved from Discuss Anything by micky.blue.eyes (Super Moderator): Please post in the right forum, thanks.
    Last edited by micky.blue.eyes; 17-03-2007 at 06:03 PM.




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  2. 17-03-2007, 04:41 PM #2
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    Chickenblob
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    Ummm.. have you done tan, sin, cos? It might help if you have.
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  3. 17-03-2007, 04:46 PM #3
    mangle
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    Yeah but only briefly and that was over a year ago now




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  4. 17-03-2007, 05:44 PM #4
    Jazza
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    easy, base volume x length so its: (26x26x20)x 30= 1014m2

    (as long as the measurements and labels you typed are correct)
    Last edited by Jazza; 17-03-2007 at 05:46 PM.
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  5. 17-03-2007, 09:19 PM #5
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    Chickenblob
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    Quote Originally Posted by MrLore View Post
    easy, base volume x length so its: (26x26x20)x 30= 1014m2

    (as long as the measurements and labels you typed are correct)
    Isn't it cross section x length?
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  6. 18-03-2007, 12:18 PM #6
    Jazza
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    Quote Originally Posted by IceAurora View Post
    Isn't it cross section x length?
    Cross section=base volume

    Oh and I typed the formula wrong, It should be (1/2(24x20))x30=7200m2
    Last edited by Jazza; 18-03-2007 at 12:20 PM.
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