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? asked in Education & ReferenceHomework Help · 8 years ago

Math volume, help me please. I'm stuck?

I'm working on some problems and stumbled on number 3, I am completely lost and have no clue what to do or how to solve it. I need help on how to set the problem up and guidance in steps on how to solve them. I am not just looking for the answers because they are in the back of the book, no point in looking up the answer if I can't see how to set it up and solve it.

thanks for the help and time, I appreciate it very much ^__^

problem #3

http://i39.tinypic.com/317eg3k.jpg

thanks

1 Answer

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  • ?
    Lv 7
    8 years ago
    Favorite Answer

    You posted this yesterday and got some valid helpful hints.

    But to start you out, the equilateral triangle area can be found using google*, and the little square inside has side length of (say) 1 .. so EQTRI - 1 = area, x .6 x 1000 = volume of plastic needed (used)

    * or the Pythagorean theorem

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