# The Elements of Plane and Solid Geometry: With Chapters on Mensuration and Modern Geometry

Porter & Coates, 1879 - 266 pagina's

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### Inhoudsopgave

 INTRODUCTION 7 BOOK II 51 BOOK III 63 BOOK IV 91 BOOK V 101 BOOK VI 131 MENSURATION OF PLANE SURFACES 147 SOLID GEOMETRY 153
 BOOK VIII 170 BOOK IX 197 MENSURATION OF SOLIDS 220 PART III 233 SECTION III 239 SECTION V 249 SECTION VII 257

### Populaire passages

Pagina 53 - If a straight line be divided into any two parts, the rectangle contained by the whole and one of the parts, is equal to the rectangle contained by the two parts, together with the square of the aforesaid part.
Pagina 81 - On a given straight line to describe a segment of a circle, containing an angle equal to a given rectilineal angle. Let AB be the given straight line, and...
Pagina 31 - Any two angles of a triangle are together less than two right angles.
Pagina 128 - Wherefore, in equal circles &c. QED PROPOSITION B. THEOREM If the vertical angle of a triangle be bisected by a straight line which likewise cuts the base, the rectangle contained by the sides of the triangle is equal to the rectangle contained by the segments of the base, together with the square on the straight line which bisects the angle.
Pagina 15 - AXIOMS. 1. Things which are equal to the same thing are equal to one another. 2. If equals be added to equals the wholes are equal. 3. If equals be taken from equals the remainders are equal.
Pagina 82 - To cut off a segment from a given circle which shall contain an angle equal to a given rectilineal angle. Let ABC be the given circle, and D the given rectilineal angle ; it is required to cut off a segment from the circle ABC that shall contain an angle equal to the given angle D.
Pagina 62 - If a straight line be divided into two equal, and also into two unequal parts ; the squares on the two unequal parts are together double of the square on half the line, and of the square on the line between the points of section.
Pagina 166 - A be a solid angle contained by any number of plane angles BAC, CAD, DAE, EAF, FAB: these together are less than four right angles. Let the planes...
Pagina 15 - LET it be granted that a straight line may be drawn from any one point to any other point. 2. That a terminated straight line may be produced to any length in a straight line.
Pagina 120 - Similar polygons may be divided into the same number of similar triangles, having the same ratio to one another that the polygons have ; and the polygons have to one another the duplicate ratio of that which their homologous sides have.