Constructive Geometry of Plane Curves: With Numerous ExamplesMacmillan and Company, 1885 - 374 pàgines |
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Constructive Geometry of Plane Curves: With Numerous Examples Thomas Henry Eagles Visualització completa - 1885 |
Constructive Geometry of Plane Curves: With Numerous Examples Thomas Henry Eagles Visualització completa - 1885 |
Frases i termes més freqüents
AC² anharmonic ratio asymptotes auxiliary circle bisects the angle CA² CB² centre point chord of contact circle centre circles touching cone conic conic section conjugate diameters conjugate points constant construction corresponding curvature curve being given cutting cutting CB describe a circle describe an ellipse describe an hyperbola determined directrix draw a parabola drawn equal F draw foci focus F given circle given Fig given lines given point given tangent harmonic harmonic mean homographic involution latus rectum length line joining locus major axis mean proportional opposite sides ordinate parallel pass pencil perpendicular point of contact polar pole PROBLEM Prop radical axis radius right angle second focus segments shew shewn similar triangles Similarly tangent PT three points transverse vertex vertices
Passatges populars
Pàgina 28 - A diameter of a circle is a straight line drawn through the centre, and terminated both ways by the circumference.
Pàgina 28 - 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.
Pàgina 303 - AB describe a segment of a circle containing an angle equal to the given angle, (in.
Pàgina 32 - IF from any point without a circle two straight lines be drawn, one of which cuts the circle, and the other touches it ; the rectangle contained by the whole line which cuts the circle, and the part of it without the circle, shall be equal to the square of the line which touches it.
Pàgina 99 - A conic section is the locus of a point which moves so that its distance from a fixed point, called the focus, is in a constant ratio to its distance from a fixed straight line, called the directrix.
Pàgina 13 - Three lines are in harmonical proportion, when the first is to the third, as the difference between the first and second, is to the difference between the second and third ; and the second is called a harmonic mean between the first and third. The expression 'harmonical proportion...
Pàgina 40 - Upon a given straight line to describe a segment of a circle which shall contain a given angle. Let AB be the given straight line.