Euclid in Paragraphs: The Elements of Euclid: Containing the First Six Books and the First Twenty-one Propositions of the Eleventh Book ... |
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Seite 38
To describe a square upon a given straight line . Let AB be the given straight line ; it is required to describe a square upon AB . From the point A draw * AC at right angles to AB ; and maket AD equal to AB , and through the point D ...
To describe a square upon a given straight line . Let AB be the given straight line ; it is required to describe a square upon AB . From the point A draw * AC at right angles to AB ; and maket AD equal to AB , and through the point D ...
Seite 39
On BC describe * the square BDEC , and on BA , AC the * 46. 1 . squares GB , HC ; and through A draw † AL parallel to BD or CE , and join AD , FC . Then , because each of the angles BAC ‡ , BAG is a right angle the two straight lines AC ...
On BC describe * the square BDEC , and on BA , AC the * 46. 1 . squares GB , HC ; and through A draw † AL parallel to BD or CE , and join AD , FC . Then , because each of the angles BAC ‡ , BAG is a right angle the two straight lines AC ...
Seite 40
But the doubles of equals are equal§ to one another ; there- fore the parallelogram BL is equal to the square GB : And ... and the square BDEC is described upon the straight line BC , and the squares GB , HC upon BA , AC ; wherefore the ...
But the doubles of equals are equal§ to one another ; there- fore the parallelogram BL is equal to the square GB : And ... and the square BDEC is described upon the straight line BC , and the squares GB , HC upon BA , AC ; wherefore the ...
Seite 42
Let the straight line AB be divided into any two parts in the point C ; the rectangle contained by AB , BC , together with the rectangle AB , AC , shall be equal to the square of AB . Upon AB describe the square ADEB , and through C ...
Let the straight line AB be divided into any two parts in the point C ; the rectangle contained by AB , BC , together with the rectangle AB , AC , shall be equal to the square of AB . Upon AB describe the square ADEB , and through C ...
Seite 43
Let the straight line AB be divided into any two parts in the point C ; the rectangle AB , BC is equal to the rect- angle AC , CB , together with the square of BC . Upon BC describe * the square CDEB , and produce ED * 46.
Let the straight line AB be divided into any two parts in the point C ; the rectangle AB , BC is equal to the rect- angle AC , CB , together with the square of BC . Upon BC describe * the square CDEB , and produce ED * 46.
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ABCD angle ABC angle ACB angle BAC base base BC BC is equal bisected centre circle circle ABC circumference common compounded Constr contained demonstrated describe diameter divided double draw drawn equal angles equal to F equiangular equilateral equimultiples extremity fall fore four fourth given straight line greater join less Let ABC likewise magnitudes manner meet multiple parallel parallelogram pass perpendicular plane produced proportionals Q. E. D. PROPOSITION ratio reason rectangle rectangle contained rectilineal figure remaining angle right angles segment shown sides similar square square of AC straight line AC Take taken THEOR THEOR.-If third touches the circle triangle ABC wherefore whole
Beliebte Passagen
Seite 12 - If two triangles have two sides of the one equal to two sides of the...
Seite 29 - THE straight lines which join the extremities of two equal and parallel straight lines, towards the same parts, are also themselves equal and parallel.
Seite 143 - 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.
Seite 69 - 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.
Seite 20 - If from the ends of the side of a triangle, there be drawn two straight lines to a point within the triangle, these shall be less than the other two sides of the triangle, but shall contain a greater angle. Let the two straight lines BD.
Seite 102 - A LESS magnitude is said to be a part of a greater magnitude, when the less measures the greater; that is, ' when the less is contained a certain number of times
Seite 44 - If a straight line be divided into any two parts, the squares of the whole line and of one of the parts are equal to twice the rectangle contained by the whole and that part, together with the square of the other part. Let the straight line AB be divided into any two parts at the point C : the squares of AB, BC shall be equal to twice the rectangle AB, BC, together with the square of AC.
Seite 71 - The opposite angles of any quadrilateral figure described in a circle, are toe/ether equal to two right angles. Let ABCD be a quadrilateral figure in the circle ABCD : any two of its opposite angles are together equal to two right angles.
Seite 66 - The straight line drawn at right angles to the diameter of a circle, from the extremity of it, falls without the circle...
Seite 83 - 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.
Bibliografische Informationen
| Titel | Euclid in Paragraphs: The Elements of Euclid: Containing the First Six Books and the First Twenty-one Propositions of the Eleventh Book ... Cambr. ed |
| Autor/in | Euclid |
| Herausgeber | Robert Simson |
| Übersetzt von | Robert Simson |
| Verlag | T. Stevenson, 1845 |
| Original von | Oxford University |
| Digitalisiert | 4. Okt. 2006 |
| Länge | 199 Seiten |
| Zitat exportieren | BiBTeX EndNote RefMan |