Right angles : paper-folding geometry /

Introduces the principles of right angles through paper folding techniques which allow the reader to construct a rectangle and a square.

Bibliographic Details

Main Author:	Phillips, Jo McKeeby
Other Authors:	Maestro, Giulio
Format:	Book
Language:	English
Published:	New York : Crowell, [1972]
Series:	Young math book.
Subjects:	Rectangles > Juvenile literature. Angles (Geometry) > Juvenile literature. Rectangle. Angle. Geometry.