Leech, Bonnie Coulter.

Triangles / Bonnie Coulter Leech. - 1st ed. - New York : Rosen Pub. Group's PowerKids Press, 2007. - 24 p. : col. ill. ; 21 cm. - Exploring shapes .

Includes bibliographical references and index.

Things of three -- Polygons -- Triangles -- Parts of a triangle -- Naming triangles -- Triangles classified by sides -- Triangles classified by angles -- Sum of the angles in a triangle -- The perimeter and area of triangles -- Triangles around us.

ISBN: 1404234950 (lib. bdg.)

LCCN: 2005030180

Subjects--Topical Terms:
Triangle.
Shapes.

LC Class. No.: QA482 / .L44 2007

Dewey Class. No.: 516/.154