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refer to a seven piece tangram:

a. if the original square made by the seven tangram pieces has an edge length of 2, what are the edge lengths of the small square piece?

b.the parallelogram is what percent of the original square made by the seven tangram peieces?

c. if the largest triangle is "X" and the smallesr triangle is "Y", find the following:

I. 1/2X (divided by) Y
II. 2Y+3/4X
III. 3Y (divided by )X

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