## Elements of Geometry Upon the Inductive Method: To which is Added an Introduction to Descriptive Geometry |

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ABCD axis base body called centre chord circle circumference circumscribed common composed cone consequently considered construct contained corresponding curve cylinder described determine diagonals diameter difference direction distance divide draw drawn edges elements entire equal equivalent evident expressed faces feet figure follows four Geometry give given given line greater ground line half height horizontal horizontal plane horizontal projection inclination increase inscribed intersection less magnitude mean measure meet method multiplied opposite parallel parallelogram parallelopiped passing perpendicular plane polygon portion position prism problem projection proportion proposed plane proposition pyramid radii radius ratio rectangle regular remaining Remark represent respectively revolve right-angles sides similar space sphere spherical square straight line Suppose surface tangent third tion trace triangle triangular triedral angle truth vertex vertical volume

### Popular passages

Page ii - Co. of the said district, have deposited in this office the title of a book, the right whereof they claim as proprietors, in the words following, to wit : " Tadeuskund, the Last King of the Lenape. An Historical Tale." In conformity to the Act of the Congress of the United States...

Page ii - An act supplementary to an act, entitled, * An act for the encouragement of learning, by securing the copies of maps, charts, and books to the authors and proprietors of such copies, during the times therein mentioned,* and extending the benefits thereof to the arts of designing, engraving, and etching historical and other prints.

Page 13 - FGH, have a side and the two adjacent angles of the one equal to a side and the two adjacent angles of the other, each to each ; therefore these triangles are equal (Prop.

Page 65 - 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 61 - The square described upon the hypothenuse of a rightangled triangle is equivalent to the sum of the squares described upon the other two sides.

Page 12 - If two triangles have the three sides of the one equal to the three sides of the other, each to each, the triangles are congruent.

Page 63 - Prove that in any triangle the square on the side opposite an acute angle is equivalent to the sum of the squares of the other two sides diminished by twice the product of one of these sides and the projection of the other upon that side.

Page 24 - Four quantities are in proportion when the ratio of the first to the second is equal to the ratio of the third to the fourth.

Page 62 - The rectangle contained by the sum and difference of two lines, is equivalent to the difference of the squares of those lines.

Page ii - States entitled an act for the encouragement of learning hy securing the copies of maps, charts and books to the author., and proprietors of such copies during the times therein mentioned, and also to an act entitled an act supplementary to an act, entitled an act for the encouragement of learning by securing the copies of maps, charts and books to the authors and proprietors of such copies during the times therein mentioned and extending the benefits thereof to the arts of designing, engraving and...