# Elements of geometry: Being chiefly a selection from Playfair's geometry (Google eブックス)

Francis Nichols
A. Walker, 1829 - 186 ページ

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### 目次

 セクション 1 1 セクション 2 13 セクション 3 15 セクション 4 16 セクション 5 17 セクション 6 27
 セクション 7 80 セクション 8 106 セクション 9 147 セクション 10 157 セクション 11 175 セクション 12 187

### 人気のある引用

ii ページ - IDE, of the said District, hath deposited in this office, the title of a book, the right whereof he claims as proprietor, in the words following, to wit : " Inductive Grammar, designed for beginners. By an Instructer." In conformity to the act of the Congress of the United States...
36 ページ - Any two sides of a triangle are together greater than the third side.
80 ページ - If a straight line be divided into any two parts, the square of the whole line is equal to the squares of the two parts, together with twice the rectangle contained by the parts.
42 ページ - To draw a straight line through a given point parallel to a given straight line. Let A be the given point, and BC the given straight line...
30 ページ - To bisect a given finite straight line, that is, to divide it into two equal parts. Let AB be the given straight line : it is required to divide it intotwo equal parts.
20 ページ - LET it be granted that a straight line may be drawn from any one point to any other point.
38 ページ - Problem. At a given point in a given straight line to make a rectilineal angle equal to a given rectilineal angle.
113 ページ - Wherefore also the angle BAD is equal to the angle CAD : Therefore the angle BAC is cut into two equal angles by the straight line AD.
24 ページ - DE ; the point B shall coincide with the point E, because AB is equal to DE; and AB coinciding with DE, AC shall coincide...
36 ページ - The greater angle of every triangle is subtended by the greater side, or has the greater side opposite to it.

### ウェブページからの参照

Analysis and synthesis in John Playfair’s Elements of Geometry
26 John Playfair, Elements of Geometry; Containing the First Six Books of Euclid, with Two Books on the. Geometry of Solids. To Which are Added, ...
journals.cambridge.org/ article_S0007087401004575

Collection of Early American Mathematics Books
Main Title TM: Elements of geometry : containing the first six books of Euclid, with a supplement on the quadrature of the circle, and the geometry of ...
www.math.gatech.edu/ ~hill/ publications/ books/ booklist.html

Playfair John | English Bookstore in Czech Republic
Elements Of Geometry; The Works Of John Playfair V4: With A Me; Living With Germs
www.bookfayre.cz/ books/ name/ john_playfair.1371079.html.cs