First lessons in Plane Geometry. Together with an application of them to the solution of problems, etc |
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First Lessons in Plane Geometry: Together with an Application of Them to the ... Francis Joseph Grund No preview available - 2009 |
First Lessons in Plane Geometry: Together with an Application of Them to the ... Francis Joseph Grund No preview available - 2009 |
Common terms and phrases
ABCD adding adjacent angles angle opposite bases basis bear called centre chord circle circumference common consequently construct the triangle DEMON demonstration describe diameter difference distance divided division draw draw the lines drawn dropped equal equal angles expressed extended extremities figure follows foot formed four fourth term geometrical proportion give given greater half height hypothenuse included inscribed instance isosceles Join legs length less line AC line CD manner mean measure meets minutes multiply number of sides opposite parallel parallelogram perpendicular polygon ABCDEF principle PROBLEM proportion prove quadrilateral Query radii radius ratio rectangle regular polygon relation remaining sides Remark right angles Sect side AC similar smaller SOLUTION square inches stands straight line surface tangent three sides triangle ABC truth vertex whole
Popular passages
Page 195 - Upon a given straight line to describe a segment of a circle, which shall contain an angle equal to a given rectilineal angle.
Page 94 - If two triangles have two sides of the one equal to two sides of the other, each to each, but the...
Page 211 - HDG, the corresponding sides are proportional (page 70, 4thly) ; therefore we have the proportion ED : DG =AD : HD (II.) This last proportion has the first ratio common with the first proportion ; consequently the two remaining ratios are in a geometrical proportion (Theory of Prop., Prin. 3d) ; that is, we have AD : HD = DG: BD; and as, in...
Page 173 - The circumference of every circle is supposed to be divided into 360 equal parts, called degrees ; each degree into 60 equal parts, called minutes ; and each minute into 60 equal parts, called seconds.
Page 176 - The perimeters of two regular polygons of the same number of sides, are to each other as their homologous sides, and their areas are to each other as the squares of those sides (Prop.
Page 175 - The side of a regular hexagon inscribed in a circle is equal to the radius of the circle.
Page 129 - Now, since the areas of similar polygons are to each other as the squares of their homologous sides...
Bibliographic information
| Title | First lessons in Plane Geometry. Together with an application of them to the solution of problems, etc |
| Author | Francis Joseph Grund |
| Publisher | Carter and Hendee, 1830 |
| Original from | Harvard University |
| Digitized | 1 Mar 2007 |
| Length | 12 pages |
| Export Citation | BiBTeX EndNote RefMan |