New Plane and Solid Geometry |
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Common terms and phrases
ABCD altitude angle base bisected bisectors called chord circle circumference circumscribed common cone congruent considered construct converse COROLLARIES corresponding cylinder Definitions describe determined diagonals diameter difference dihedral angle distance divided draw drawn edges equal equidistant equilateral Exercises faces figure Find four frustum Geometry given given line given point greater half Hence inscribed intersecting joining lateral length less locus mean measure meet mid-points Note oblique opposite sides parallel parallelogram pass perigon perpendicular placed plane polygon prism Problem produced Proof prop proportional PROPOSITION prove pyramid quadrilateral radii radius ratio rectangle regular represent Required respectively right angle segments sides similar Similarly solid space sphere spherical square step straight line student Suppose surface tangent Theorem transverse triangle true vertex vertices volume
Popular passages
Page 100 - The projection of a point on a line is the foot of the perpendicular from the point to the line. Thus A
Page 157 - The first and last terms of a proportion are called the extremes, and the two middle terms are called the means.
Page 293 - If a pyramid is cut by a plane parallel to the base : 1. The edges and altitude are divided proportionally. 2. The section is a polygon similar to the base. Let V-ABCDE be cut by a plane parallel to its base, intersecting the lateral edges in a, b, c, d, e, and the altitude in o.
Page 25 - The third side is called the base of the isosceles triangle, and the equal sides are called the sides. A triangle which has no two sides equal is called a scalene triangle. The distance from one point to another is the length of the straight line-segment joining them. The distance from a point to a line is the length of the perpendicular from that point to that line. That this perpendicular is unique will be proved later.
Page 182 - If two triangles have one angle of the one equal to one angle of the other and the sides about these equal angles proportional, the triangles are similar.
Page 117 - The perpendicular bisector of a chord passes through the center of the circle and bisects the arcs subtended by the chord.
Page 198 - II, cor. 1. 2. The area of a rectangle equals the product of its base and altitude. That is, the number which represents Its square units of area is the product of the two numbers which represent its base and altitude. For in prop. II, if R' = 1, the square unit of area, then a' and 6' must each equal 1, the unit of length.
Page 313 - A plane surface, or a plane, is a surface in which, if any two points are taken, the straight line joining these points lies wholly in the surface.
Page 34 - If two triangles have two sides of the one respectively equal to two sides of the other, and the...
Page 32 - America, but know that we are alive, that two and two make four, and that the sum of any two sides of a triangle is greater than the third side.
Bibliographic information
| Title | New Plane and Solid Geometry |
| Authors | Wooster Woodruff Beman, David Eugene Smith |
| Publisher | Ginn, 1899 |
| Original from | the University of Michigan |
| Digitized | 11 Jun 2007 |
| Length | 382 pages |
| Export Citation | BiBTeX EndNote RefMan |