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  • Menelaus Exploration Mth 583

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  • 2.3.3 Orthocenter at a vertex when triangle is Right

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  • 1.3.6 Circle from 3 points

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  • 1.3.7 Midpoint Quadrilateral (always Parallelogram!)

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  • 1.3.8 Quadrilateral Conjectures

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  • Ex 2.2.2 Median Concurrence Ratio

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  • Ex 2.2.3

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  • 1.4.1

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  • Ex 2.2.7 Median Divides Triangle into 2 equal subtri

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  • 2.2.10 Congruent Subtriangles in Equilateral, Equal area for any

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  • 2.3.1 Concurrence of Altitudes of any Triangle (Orthocenter)

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  • 2.3.2 Orthocenter and Centroid

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