by George Wentworth, David E. Smith
Publisher: Ginn and Company 1913
Number of pages: 304
For a generation this was the leading textbook on the subject of plane geometry in America. Topics covered: rectilinear figures, the circle, proportion, similar polygons, areas of polygons, regular polygons and circles, etc.
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by V. Cifarelli, A. Gloag, D. Greenberg, J. Sconyers, B. Zahner - CK-12 Foundation
Contents: Reasoning and Proof; Parallel and Perpendicular Lines; Congruent Triangles; Relationships Within Triangles; Quadrilaterals; Similarity; Right Triangle Trigonometry; Circles; Perimeter and Area; Surface Area and Volume; Transformations.
by H. E. Slaught, N. J. Lennes - Allyn and Bacon
From the table of contents: Introduction; Axioms and Theorems from Plane Geometry; Properties of the Plane; Regular Polyhedrons; Prisms and Cylinders; Pyramids and Cones; The Sphere; Portraits and biographical sketches; and more.
by C. Godfrey, A. W. Siddons - Cambridge University Press
The aim of the authors of the present work has been to produce a book which will help to make Greometry an attractive subject to the average British boy or girl. Among the exercises, some are experimental and lead up to future propositions ...
This book is intended for use by a parent and a child. It is recommended that the parent have some familiarity with geometry, but this is not necessary. The parent can simply read the chapter before teaching the child and then learn it together.