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topic D
6 hours



In Topic D, Proving Properties of Geometric Figures, students use what they have learned in Topics A through C to prove properties—those that have been accepted as true and those that are new—of parallelograms and triangles (G.CO.10, G.CO.11).


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From of the New York State Education Department. Geometry Module 1, Topic D, Overview. Available from; accessed 2015-05-29.
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