Euclid's Elements Book 1, Proposition 34
Project Euclid presents Euclid's Elements, Book 1, Proposition 34 "In parallelogrammic areas the opposite sides and angles equal one another, and the diameter bisects the areas." Presented by Allen Matsika, St. John's College, Class of 2015

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Euclid's Elements Book 1, Proposition 35

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Euclid's Elements Book 1: Proposition 34, Parallelograms

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Euclid's Elements Book 1, Proposition 42

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Euclid's Elements Book 1, Proposition 44

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