Elements of Geometry: Containing the First Six Books of Euclid, with a Supplement on the Quadrature of the Circle, and the Geometry of Solids: to which are Added, Elements of Plane and Spherical TrigonometryW. E. Dean, 1835 - 316 σελίδες |
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Σελίδα
... BOOKS , PRINTED AND PUBLISHED BY W. E. DEAN , No. 32 ANN - STREET , NEW - YORK . Most of the Classical and Mathematical ... book of Euclid's elements , according to the text and arrangement in Simson's edition . 12mo . Corrected and ...
... BOOKS , PRINTED AND PUBLISHED BY W. E. DEAN , No. 32 ANN - STREET , NEW - YORK . Most of the Classical and Mathematical ... book of Euclid's elements , according to the text and arrangement in Simson's edition . 12mo . Corrected and ...
Σελίδα
... Books is similar to that of LEGENDRE , in his Elements of Geometry and Trigono- metry . As the properties of the sections of straight lines are easily derived from Algebra , the demonstrations of the principal propositions in the Second ...
... Books is similar to that of LEGENDRE , in his Elements of Geometry and Trigono- metry . As the properties of the sections of straight lines are easily derived from Algebra , the demonstrations of the principal propositions in the Second ...
Σελίδα
Containing the First Six Books of Euclid, with a Supplement on the Quadrature of the Circle, and the Geometry of ... book of Elementary Geometry is still considered as the best , and that the writings of EUCLID , at the distance of ...
Containing the First Six Books of Euclid, with a Supplement on the Quadrature of the Circle, and the Geometry of ... book of Elementary Geometry is still considered as the best , and that the writings of EUCLID , at the distance of ...
Σελίδα
... Book than those of any other of the Ele- ments . In the second Book , also , some algebraic signs have been introduced , for the sake of representing more readily the addition and subtraction of the rectangles on which the ...
... Book than those of any other of the Ele- ments . In the second Book , also , some algebraic signs have been introduced , for the sake of representing more readily the addition and subtraction of the rectangles on which the ...
Σελίδα 1
Containing the First Six Books of Euclid, with a Supplement on the Quadrature of the Circle, and the Geometry of Solids: to which are Added, Elements of Plane and Spherical Trigonometry John Playfair. ELEMENTS OF GEOMETRY . BOOK 1 . THE ...
Containing the First Six Books of Euclid, with a Supplement on the Quadrature of the Circle, and the Geometry of Solids: to which are Added, Elements of Plane and Spherical Trigonometry John Playfair. ELEMENTS OF GEOMETRY . BOOK 1 . THE ...
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ABC is equal ABCD adjacent angles altitude angle ABC angle ACB angle BAC angles equal arc AC base BC bisected centre chord circle ABC circumference cosine cylinder demonstrated diameter divided draw Prob equal and similar equal angles equiangular equilateral equilateral polygon equimultiples Euclid exterior angle fore four right angles given straight line greater Hence hypotenuse inscribed join less Let ABC Let the straight magnitudes meet multiple opposite angle parallel parallelogram parallelopiped perpendicular plane polygon prism PROP proposition quadrilateral radius ratio rectangle contained rectilineal figure remaining angle SCHOLIUM segment semicircle shewn side BC sine solid angle solid parallelopiped spherical angle spherical triangle square straight line BC THEOR third touches the circle triangle ABC triangle DEF wherefore
Δημοφιλή αποσπάσματα
Σελίδα 46 - If a straight line be divided into any two parts, the square of the whole line is equal to the squares of the two parts, together with twice the rectangle contained by the parts.
Σελίδα 39 - To describe a parallelogram that shall be equal to a given triangle, and have one of its angles equal to a given rectilineal angle.
Σελίδα 47 - If a straight line be divided into two equal parts, and also into two unequal parts, the rectangle contained by the unequal parts, together with the square on the line between the points of section, is equal to the square on half the line.
Σελίδα 25 - THE straight lines which join the extremities of two equal and parallel straight lines, towards the same parts, are also themselves equal and parallel. Let AB, CD be equal and parallel straight lines, and joined towards the same parts by the straight lines AC, BD ; AC, BD are also equal and parallel.
Σελίδα 5 - 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.
Σελίδα 75 - The angle in a semicircle is a right angle; the angle in a segment greater than a semicircle is less than a right angle; and the angle in a segment less than a semicircle is greater than a right angle.
Σελίδα 95 - 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. either the sides adjacent to the equal...
Σελίδα 294 - All the interior angles of any rectilineal figure, together with four right angles, are equal to twice as many right angles as the figure has sides.
Σελίδα 52 - In obtuse-angled triangles, if a perpendicular be drawn from either of the acute angles to the opposite side produced, the square of the side subtending the obtuse angle, is greater than the squares of the sides containing the obtuse angle, by twice the rectangle contained by the side upon which, when produced, the perpendicular falls, and the straight line intercepted without the triangle, between the perpendicular and the obtuse angle. Let ABC be an obtuse-angled triangle, having the obtuse angle...
Σελίδα 134 - Equiangular parallelograms have to one another the ratio which is compounded of the ratios of their sides.