An Introduction to Geometry and the Science of Form: Prepared from the Most Approved Prussian Text-books

Front Cover
James Munroe, 1846 - Geometry - 161 pages

From inside the book

Other editions - View all

Common terms and phrases

Popular passages

Page 130 - The first and fourth terms of a proportion are called the extremes, and the second and third terms, the means. Thus, in the foregoing proportion, 8 and 3 are the extremes and 4 and 6 are the means.
Page 154 - In a series of equal ratios, any antecedent is to its consequent, as the sum of all the antecedents is to the sum of all the consequents. Let a: 6 = c: d = e :/. Then, by Art.

Bibliographic information