Before 3D modeling process can get started, the modeler needs to create a series of concept sketches for the project. To do this, the modeler needs to consult with his customer or
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This presentation might answer your question: http://slidesha.re/simrev. EN.
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a model for multiplication problems, in which the length and width of a rectangle represents the product.
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the Area Model for Polynomial is a model for multiplication problems, in which the length and width of a rectangle represents the product. so if length = (2x+3) and width = (4x+5)
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