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In ancient Greece, young Pythagoras discovers a special number pattern (the Pythagorean theorem) and uses it to solve problems involving right triangles. Suggested level: primary.
"Euclid's Data - The Importance of Being Given is a scholarly contribution to an area - the history of Greek geometrical analysis - that is still insufficiently understood. At the time of Zeuthen, and even up to the middle of the last century, it was fashionable to treat the Dat…