Elements of Geometry Upon the Inductive Method: To which is Added an Introduction to Descriptive GeometryHilliard and Brown, 1829 - 172 σελίδες |
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Σελίδα 8
... line CD , we shall have the angle ACD , an an- gle of 55 ° ; and the angle ... line DCE is a straight line . When an angle of a field is to be measured , this ... ground ; an in- strument called a protractor , is used . This is usually a ...
... line CD , we shall have the angle ACD , an an- gle of 55 ° ; and the angle ... line DCE is a straight line . When an angle of a field is to be measured , this ... ground ; an in- strument called a protractor , is used . This is usually a ...
Σελίδα 122
... ground line . Let AB ( fig . 1 ) represent the ground line , and the plane of the paper the horizontal plane of projection . The vertical plane of projection will pass through AB perpendicular to the plane of the paper . We may con ...
... ground line . Let AB ( fig . 1 ) represent the ground line , and the plane of the paper the horizontal plane of projection . The vertical plane of projection will pass through AB perpendicular to the plane of the paper . We may con ...
Σελίδα 124
... ground line ( El . 209 ) . But if MM " be perpendicular to AB , by revolving the vertical plane , about the ground line , through the second diedral angle into the plane of the paper , MM ” will be in the same straight line with MM ...
... ground line ( El . 209 ) . But if MM " be perpendicular to AB , by revolving the vertical plane , about the ground line , through the second diedral angle into the plane of the paper , MM ” will be in the same straight line with MM ...
Σελίδα 125
... ground line , it can never meet the ground line ( El . 198 ) ; and consequently its tra- ces upon the planes of projection cannot meet the ground line ; they are therefore parallel to it : And we say- A plane parallel to the ground line ...
... ground line , it can never meet the ground line ( El . 198 ) ; and consequently its tra- ces upon the planes of projection cannot meet the ground line ; they are therefore parallel to it : And we say- A plane parallel to the ground line ...
Σελίδα 126
... ground line . For the line itself and the project- ing line of any point in it , are two lines which deter- mine this projecting plane to be parallel to one of the planes of projection ( El . 197 ) ; their intersections with the other ...
... ground line . For the line itself and the project- ing line of any point in it , are two lines which deter- mine this projecting plane to be parallel to one of the planes of projection ( El . 197 ) ; their intersections with the other ...
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Elements of Geometry Upon the Inductive Method James Hayward Δεν υπάρχει διαθέσιμη προεπισκόπηση - 2019 |
Elements of Geometry Upon the Inductive Method James Hayward Δεν υπάρχει διαθέσιμη προεπισκόπηση - 2019 |
Συχνά εμφανιζόμενοι όροι και φράσεις
ABCD allel axis base bisect body called centre chord circumference co-ordinate planes conical surface construct contained cutting plane cylinder cylindrical surface Descriptive Geometry determine diagonals diameter dicular diedral distance draw equivalent exterior angles faces figure four right-angles generatrix Geometry give given line ground line height homologous horizontal plane horizontal projection horizontal trace hypothenuse inclination inscribed polygon intersection isosceles triangle line parallel lunary surface magnitude meet multiplied number of sides opposite parallel lines parallelogram parallelopiped perpen perpendicular perspective plane angles plane of projection plane passing polyedral angle polyedrons PROBLEM projecting planes proposed plane proposed point pyramid radii ratio rectangle rectilinear regular polygons revolve right-angled triangle right-line similar triangles sphere square straight line summit Suppose surface of revolution tangent tetraedron tion triangle ABC triangular prism triedral angle vertex vertical plane vertical projection volume
Δημοφιλή αποσπάσματα
Σελίδα 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...
Σελίδα 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.
Σελίδα 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.
Σελίδα 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.
Σελίδα 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.
Σελίδα 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.
Σελίδα 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.
Σελίδα 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.
Σελίδα 62 - The rectangle contained by the sum and difference of two lines, is equivalent to the difference of the squares of those lines.
Σελίδα 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...