Geometry, Plane, Solid, and Spherical, in Six Books: To which is Added, in an Appendix, the Theory of ProjectionBaldwin and Cradock, 1830 - 272 sider |
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Resultat 1-5 av 100
Side 3
... drawn to the base from the side or angle opposite . 22. The diagonals of a quadrilateral are the straight lines which join its op- posite angles . 23. If through a point , E , in the dia- gonal of a paral- lelogram , ABCD , straight ...
... drawn to the base from the side or angle opposite . 22. The diagonals of a quadrilateral are the straight lines which join its op- posite angles . 23. If through a point , E , in the dia- gonal of a paral- lelogram , ABCD , straight ...
Side 10
... drawn from the vertex A to the middle point of the base BC , is perpendicular to the base ( 6. Cor . 3. ) ; that is , a straight line AF may be drawn from the point A perpendicular to the straight line B C. But , from the same point A ...
... drawn from the vertex A to the middle point of the base BC , is perpendicular to the base ( 6. Cor . 3. ) ; that is , a straight line AF may be drawn from the point A perpendicular to the straight line B C. But , from the same point A ...
Side 11
... drawn from the point D to the line EF , two perpendiculars , which is impossible ( 12 ) . Therefore , A B coincides with D E , and the triangle ABC coincides with the triangle DEF , that is , ( ax . 11. ) the triangles ABC and D E F are ...
... drawn from the point D to the line EF , two perpendiculars , which is impossible ( 12 ) . Therefore , A B coincides with D E , and the triangle ABC coincides with the triangle DEF , that is , ( ax . 11. ) the triangles ABC and D E F are ...
Side 12
... drawn from two points of one straight line to another be equal , any other perpendicular , drawn from a point of the first to the other , shall be equal to either of them . of them be equal ; and hence , if a straight line be drawn at ...
... drawn from two points of one straight line to another be equal , any other perpendicular , drawn from a point of the first to the other , shall be equal to either of them . of them be equal ; and hence , if a straight line be drawn at ...
Side 13
... drawn to the other , those perpendi- culars shall be equal to one another . Let AB , C D be two parallel straight lines ; and from the points A , B , of AB , let AC , BD be drawn perpendicular to CD ( 12. ) : AC shall be equal to B D. D ...
... drawn to the other , those perpendi- culars shall be equal to one another . Let AB , C D be two parallel straight lines ; and from the points A , B , of AB , let AC , BD be drawn perpendicular to CD ( 12. ) : AC shall be equal to B D. D ...
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Geometry, Plane, Solid, and Spherical, in Six Books: To which is Added, in ... Pierce Morton Uten tilgangsbegrensning - 1835 |
Geometry, Plane, Solid, and Spherical, in Six Books: To Which Is Added, in ... Pierce Morton Ingen forhåndsvisning tilgjengelig - 2023 |
Geometry, Plane, Solid, and Spherical, in Six Books: To Which Is Added, in ... Pierce Morton Ingen forhåndsvisning tilgjengelig - 2013 |
Vanlige uttrykk og setninger
A B C a² b² ABCD altitude asymptote axes axis base bisected centre chord circle circumference circumscribed co-ordinates common section conic section contained convex surface curve cylinder describe diameter difference dihedral angle distance divided draw drawn ellipse equal angles equation frustum given line given point given straight line gles greater hence hyperbola hypotenuse inscribed intersection join Latus Rectum less likewise locus magnitudes meet parabola parallel parallelogram parallelopiped pass pendicular perimeter perpendicular perspective projection pole prism produced projection PROP pyramid radii radius ratio rectangle rectangular rectilineal figure regular polygon right angles Scholium segment similar solid angles solid content sphere spherical angle spherical arc spherical triangle square tangent tion touch triangle ABC vertex vertical y₁
Populære avsnitt
Side 196 - 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.
Side 64 - 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.
Side 20 - In every triangle, the square of the side subtending any of the acute angles, is less than the squares of the sides containing that angle, by twice the rectangle contained by either of these sides, and the straight line intercepted between the perpendicular let fall upon it from the opposite angle, and the acute angle. Let ABC be any triangle, and the angle at B one of its acute angles ; and upon BC, one of the sides containing it, let fall the perpendicular...
Side 10 - If two triangles have two angles of the one equal to two angles of the other, each to each, and one side equal to one side, viz.
Side 189 - ... shall be greater than the base of the other. Let ABC, DEF be two triangles, which have the two sides AB, AC, equal to the two DE, DF, each to each, viz.
Side 1 - A circle is a plane figure contained by one line, which is called the circumference, and is such that all straight lines drawn from a certain point within the figure to the circumference, are equal to one another.
Side 84 - The angle at the centre of a circle is double of the angle at the circumference, upon the same base, that is, upon the same part of the circumference.
Side 78 - If a straight line touch a circle, and from the point of contact a straight line be drawn cutting the circle ; the angles which this line makes with the line touching the circle, shall be equal to the angles which are in the alternate segments of the circle.
Side 79 - EQUAL straight lines in a circle are equally distant from the centre ; and those which are equally distant from the centre, are equal to one another.
Side 264 - IF two straight lines cut one another, the vertical, or opposite, angles shall be equal.