The Elements of Euclid: viz. the first six books, together with the eleventh and twelfth; and also the book of Euclid's Data |
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ABC is given ABCD altitude angle ABC angle BAC arch base BC BC is equal bisected Book XI centre circle ABC circumference cone cosine cylinder demonstrated described diameter draw drawn equal angles equiangular equimultiples Euclid excess fore given angle given in magnitude given in position given in species given magnitude given ratio given straight line gles gnomon greater half the perimeter hypotenuse join less Let ABC multiple parallel parallelogram perpendicular point F polygon prism proportionals proposition Q. E. D. PROP radius ratio of AE rectangle CB rectangle contained rectilineal figure remaining angle right angles segment side BC similar sine solid angle solid parallelepiped square of AC straight line AB straight line BC tangent THEOR third tiple triangle ABC vertex wherefore
مقاطع مشهورة
الصفحة 43 - If a straight line be bisected and produced to any point, the rectangle contained by the whole line thus produced and the part of it produced, together with the square of half the line bisected, is equal to the square of the straight line which is made up of the half and the part produced. Let the straight line AB be bisected in C, and produced to D : the rectangle AD, DB, together with the square of CB, shall be equal to the square of CD.
الصفحة 304 - Again ; the mathematical postulate, that " things which are equal to the same are equal to one another," is similar to the form of the syllogism in logic, which unites things agreeing in the middle term.
الصفحة 26 - if a straight line," &c. QED PROP. XXIX. THEOR. See the Jf a straight line fall upon two parallel straight ti?isepropo- lines, it makes the alternate angles equal to one another ; and the exterior angle equal to the interior and opposite upon the same side ; and likewise the two interior angles upon the same side together equal to two right angles.
الصفحة 52 - In every triangle, the square on the side subtending either of the acute angles, is less than the squares on the sides containing that angle, by twice the rectangle contained by either of these sides, and the straight line intercepted between the...
الصفحة 168 - EQUIANGULAR parallelograms have to one another the ratio which is compounded of the ratios of their sides.* Let AC, CF be equiangular parallelograms, having the angle BCD equal to the angle ECG : the ratio of the parallelogram AC to the parallelogram CF, is the same with the ratio which is compounded of the ratios of their sides. • See Note. Let BG, CG, be placed in a straight line ; therefore DC and CE are also in a straight line (14.
الصفحة 151 - 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.
الصفحة 30 - And because the angle ABC is equal to the angle BCD, and the angle CBD to the angle ACB...
الصفحة 28 - 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.
الصفحة 62 - ... than the more remote: but of those which fall upon the convex circumference, the least is that between the point without the circle and the diameter; and, of the rest, that which is nearer to the least is always less than the more remote: and only two equal straight lines can be drawn from the point into the circumference, one upon each side of the least.
الصفحة 5 - If a straight line meet two straight lines, so as to make the two interior angles on the same side of it taken together less than two right angles...
معلومات المراجع
| العنوان | The Elements of Euclid: viz. the first six books, together with the eleventh and twelfth; and also the book of Euclid's Data |
| المؤلفون | Euclid, Robert Simson |
| المُحررون | Robert Simson, John Davidson |
| الناشر | Bell & Bradfute, 1835 |
| أصلي من | جامعة هارفارد |
| الكتب ذات التنسيق الرقمي | 6 أيار (مايو) 2008 |
| عدد الصفحات | 513 من الصفحات |
| تصدير الاقتباس | BiBTeX EndNote RefMan |