## Library of Useful Knowledge: Geometry, plane, solid, and spherical [by Pierce Morton] Elements of trigonometry, by W. Hopkins. Elements of spherical trigonometry, by A. De Morgan. A treatise on algebraical geometry, by S. W. Waud. 1835 |

### Inni boken

Side 18

But the base

But the base

**of**the tri- under those**two straight lines**shall be angle A BE is equal to the sum**of**AD ,**contained**as often**in**the given**rectangle**, B ( ' , because ( 22. ) C E is equal to AD ; as is denoted by the product**of**the**two**and ... Side 19

CB ; and the figure AD to the rectanIf there be

CB ; and the figure AD to the rectanIf there be

**two straight lines**, one**of**gle A B , B.C. But A D is equal to A F , which is**divided into any**number**of**together with CD . Therefore , the**recparts**, the**rectangle contained**by the tangle ... Side 30

may be described equal join GC , GD , & c .; through L draw to the figure , and a

may be described equal join GC , GD , & c .; through L draw to the figure , and a

**rectangle**equal to ( 48. ) ...**of**FE , FB : rectilineal figure may be**divided into**number**of**equal**parts**, by**straight lines that**is , the**rectangle**A B C D ... Side 57

Two

Two

**straight lines**are said to the**rectangle**BxC**contains**the rect- be similarly**divided**,**when any**two adangle M N , 5 x 7 or ...**that when**A , B , and therefore also C , D , be**in**- this is the case ,**any two parts**whatsocommensurable ... Side 71

D B E one another ;

D B E one another ;

**that**is , it is bisected by is a mean proportional between A B , the line AD . ... B C be B d is harmonically**divided in**the placed in the same**straight line**: from points D , C. Therefore the**two**sides**of**the point ...### Hva folk mener - Skriv en omtale

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Library of Useful Knowledge: Geometry, plane, solid, and spherical [by ... Uten tilgangsbegrensning - 1847 |

Library of Useful Knowledge: Geometry, plane, solid, and spherical [by ... Uten tilgangsbegrensning - 1835 |

### Vanlige uttrykk og setninger

A B C altitude axes axis base bisected called centre chord circle circumference circumscribed coincide common cone conic contained convex surface curve cylinder demonstration describe diameter difference distance divided draw drawn edges ellipse equal equation evident faces figure four fourth given given point greater half hence hyperbola inscribed join less likewise locus magnitudes manner mean measure meet opposite original parallel parallelopiped pass perimeter perpendicular plane polygon positive prism produced projection PROP proportionals proposition pyramid radius ratio rectangle regular remainder respectively right angles segment shown sides similar solid sphere spherical square straight line surface taken tangent third tion touch triangle values vertex vertical whole