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Equivalence Relations across the Secondary School Curriculum
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Berger, Lisa – Mathematics Teacher, 2013
Must two triangles with equal areas and equal perimeters also be congruent? This question was introduced in "Mathematics Teacher" ("MT")by Rosenberg, Spillane, and Wulf in their article "Heron Triangles and Moduli Spaces" (2008), which also described the authors' subsequent investigation of a particular moduli…
Descriptors: Mathematics Instruction, Mathematical Concepts, Geometric Concepts, High Schools