Right angles; paper-folding geometry
By: by Jo Phillips. Illustrated by Giulio Maestro.
Contributors: Maestro, Giulio, illus.
Series: Young math books
Publisher: Crowell
Published: 1972
Place of publication: New York
Language: eng
Number of pages: 33
Subjects: Rectangles -- Juvenile literature.; Right angle -- Juvenile literature.; Rectangles.; Right angle.; Geometry.
Genres: Juvenile literature.
Description: Introduces the principles of right angles through paper folding techniques which allow the reader to construct a rectangle and a square.