Publication

1970 - HarperCollins Publishers

Language

English

Word Count

8,250 words, Guess

Page Count

33 pages

Identifiers

  • ISBN-139780690779936
  • ISBN-100690779933
  • Better World Books9780690779936
  • Open LibraryOL37344502M

Description

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.

Subjects

Other Editions

  • Straight Lines, Parallel Lines, Perpendicular LinesHarperCollins Publishers1970

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