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Straight lines, parallel lines, perpendicular lines.

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Straight lines, parallel lines, perpendicular lines.
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Mannis CharoshLeonard KesslerEnrico Arno6 editions

By making believe there are no straight edges or rulers in the world, the reader learns the geometric principles of straight, parallel, and perpendicular lines.

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3 credited authorsSearch language english

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  • Mannis Charosh

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  • Leonard Kessler

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  • Enrico Arno

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