# Solid Geometry

B.H. Sanborn, 1916 - Geometry, Solid - 174 pages

### Contents

 CONTENTS 277 PRISMS AND CYLINDERS 321 PYRAMIDS AND CONES 355
 REGULAR POLYEdrons SIMILAR POLYEDRONS PRIS 390 THE SPHERE 404

### Popular passages

Page 434 - If two triangles have two sides and the included angle of one equal respectively to two sides and the included angle of the other, the triangles are equal.
Page 402 - A Sphere is a solid bounded by a curved surface, all points of which are equally distant from a point within, called the Centre.
Page 443 - If the first of three things is greater than the second, and the second greater than the third, then the first is greater than the third.
Page 446 - The areas of two triangles which have an angle of the one equal to an angle of the other are to each other as the products of the sides including the equal angles. B' ADC A' D' C' Hyp. In triangles ABC and A'B'C', ZA = ZA'. To prove = — • A A'B'C' A'B'xA'C' Proof. Draw the altitudes BD and B'D'.
Page 284 - If a straight line is perpendicular to each of two other straight lines at their point of intersection, it is perpendicular to the plane of the two lines.
Page 445 - ... they have an angle of one equal to an angle of the other and the including sides are proportional; (c) their sides are respectively proportional.
Page 444 - Two right triangles are equal if the hypotenuse and an acute angle of the one are equal respectively to the hypotenuse and an acute angle of the other.
Page 445 - In any proportion, the product of the extremes equals the product of the means.
Page 378 - The lateral area of a frustum of a right circular cone is equal to one half the product of its slant height and the sum of the circumferences of its bases.
Page 444 - If two sides and the included angle of one triangle are equal respectively to two sides and the included angle of another triangle, then the triangles are congruent.