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hvinyard
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Circumcenter
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hvinyard
Parallelogram Discovery
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hvinyard
Rhombus
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exterior
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Quadrilaterals
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Tim Brzezinski
Centroid Construction Challenge #1
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Steve Phelps
Rectangle Template with Investigation Questions
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Tim Brzezinski
Medians Centroid Theorem (Proof without Words)
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Tim Brzezinski
