# Elements of Geometry and the First Principles of Modern Geometry

Sheldon & Company, 1878 - 209 من الصفحات

### ما يقوله الناس -كتابة مراجعة

لم نعثر على أي مراجعات في الأماكن المعتادة.

### المحتويات

 General Principles 1 1arallel Lines 9 Relative Position of Circles 48 BOOK III 63 Areas 79 Transversals 90 Problems 97 BOOK IV 105
 Measurement of the Circle 112 BOOK VI 138 The Three Round Bodies 147 Measurement of Solids 165 MODERN GEOMETRY 187 Harmonic Proportion 196 Reciprocal Polars 202

### مقاطع مشهورة

الصفحة 19 - IF two triangles have two sides of the one equal to two sides of the...
الصفحة 34 - A Circle is a plane figure bounded by a curved line every point of which is equally distant from a point within called the center.
الصفحة 14 - A Polygon of three sides is called a triangle ; one of four sides, a quadrilateral; one of five sides, a pentagon; one of six sides, a hexagon; one of seven sides, a heptagon; one of eight sides, an octagon ; one of ten sides, a decagon ; one of twelve sides, a dodecagon, &c.
الصفحة 75 - The square described on the hypothenuse of a rightangled triangle is equal to the sum of the squares described on the other two sides.
الصفحة 170 - Two prisms are to each other as the products of their bases by their altitudes ; prisms having equivalent bases are to each other as their altitudes; prisms having equal altitudes are to each other as their bases ; prisms having equivalent bases and equal altitudes are equivalent.
الصفحة 69 - Two triangles, which have an angle of the one equal to an angle of the other, and the sides containing those angles proportional, are similar.