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Quandaries & Queries
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 Topic: origami
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 A 1.5:1 rectangle 2009-03-23 From melody:I have an origami model that says to use a 1.5:1 rectangle. I don't understand how to calculate the size of paper I need to use. Surely there is a formula to calculate this ratio? Thanks for your help.Answered by Penny Nom. The volume of a tetrahedron 2004-02-03 From Joseph: How do I calculate the volume of a bird tetrahedron. I'm trying to find out to get extra credit. I came with this idea while making a origami tetrahedron. Joseph P.S. Do you by any chance have instructions for orig ami figures. If you do, please send me some. Thanks! Answered by Penny Nom. Can a square be a rhombus? 2003-03-04 From Beth:Can a square be a rhombus? Some sources say yes, some say no. Some sources define a rhombus as a quadrilateral and parallelogram with equal sides, but without right angles. Some sources say a square is a special case of a rhombus. Clarity, please!Answered by Walter Whiteley.

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