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"A king and his followers in medieval times leave the castle and go on an adventure. They have to use trigonometry to figure out things along the way. It was a story that taught you to use trigonometry. The book was from the late 1970sto the early 1980s."
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September 24, 2026
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Sir Cumference and the Great Knight of Angleland
Cindy Neuschwander
2001
7 editions
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