Vincent Goin

MATHEMATICAL TEXT-BOOKS

BY

GEORGE A. WENTWORTH

Mental Arithmetic

. Elementary Arithmetic

Practical Arithmetic

Primary Arithmetic (Wentworth and Reed)

Grammar School Arithmetic

Advanced Arithmetic

First Steps in Algebra

New School Algebra

School Algebra

Elements of Algebra (Revised Edition)

Shorter Course in Algebra

Complete Algebra

Higher Algebra

College Algebra (Revised Edition)

First Steps in Geometry (Wentworth and Hill)

Plane Geometry (Revised)

Solia Geometry (Revised)

Plane and Solid Geometry (Revised)

Syllabus of Geometry

Geometrical Exercises

Analytic Geometry

Plane and Solid Geometry and Plane Trigonometry

(Second Revised Edition)

Plane Trigonometry (Second Revised Edition)

Plane Trigonometry and Tables (Second Revised

Edition)

Plane and Spherical Trigonometry (Second Revised Edition)

Plane and Spherical Trigonometry and Tables (Second Revised Edition)

Plane and Spherical Trigonometry, Surveying, and
Navigation (Second Revised Edition)
Surveying and Tables (Second Revised Edition)
Plane Trigonometry, Surveying, and Tables (Second

Revised Edition)

Plane and Spherical Trigonometry, Surveying, and

Tables (Second Revised Edition)

Logarithms, Metric Measures, etc.

PLANE AND SOLID

GEOMETRY

BY

G. A. WENTWORTH

AUTHOR OF A SERIES OF TEXT-BOOKS IN MATHEMATICS

REVISED EDITION

GINN & COMPANY

BOSTON NEW YORK CHICAGO LONDON