The Elements of Euclid: The Errors, by which Theon, Or Others, Have Long Ago Vitiated These Books, are Corrected and Some of Euclid's Demonstrations are Restored. Also, to this Second Edition is Added the Book of Euclid's Data. In Like Manner Corrected. viz. the first six books, together with the eleventh and twelfth |
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Seite 2
6 ' N. B. When several angles are at one point B , any one of them is expressed by three letters , of which the ... makes the adjacent angles equal to one another , each of the angles is called a right angle ; and the straight line ...
6 ' N. B. When several angles are at one point B , any one of them is expressed by three letters , of which the ... makes the adjacent angles equal to one another , each of the angles is called a right angle ; and the straight line ...
Seite 4
A right angled triangle , is that which has a right angle . XXVIII . An obtuse angled triangle , is that which has ... Of four sided figures , a square is that which has all its sides equal , and all its angles right angles . 1 XXXI .
A right angled triangle , is that which has a right angle . XXVIII . An obtuse angled triangle , is that which has ... Of four sided figures , a square is that which has all its sides equal , and all its angles right angles . 1 XXXI .
Seite 6
All right angles are equal to one another . XII . * If a straight line meets two straight lines , so as to make the two “ interior angles on the same side of it taken together less than two right angles , these straight lines being ...
All right angles are equal to one another . XII . * If a straight line meets two straight lines , so as to make the two “ interior angles on the same side of it taken together less than two right angles , these straight lines being ...
Seite 14
O draw a straight line at right angles to a given straight line , from a given point in the fame . See N. Let AB be a given straight line , and C a point given in it ; it is required to draw a straight line from the point C at right ...
O draw a straight line at right angles to a given straight line , from a given point in the fame . See N. Let AB be a given straight line , and C a point given in it ; it is required to draw a straight line from the point C at right ...
Seite 15
T. CBE is equal to the angle EBA ; Book 1 . in the same manner , because ABD E is a straight line , the angle DBE is ... THE angles which one straight line makes with another upon one side of it , are either two right angles , or are ...
T. CBE is equal to the angle EBA ; Book 1 . in the same manner , because ABD E is a straight line , the angle DBE is ... THE angles which one straight line makes with another upon one side of it , are either two right angles , or are ...
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added alſo altitude angle ABC angle BAC baſe BC is given becauſe Book caſe circle circle ABCD circumference common cone contained cylinder Definition demonſtrated deſcribed diameter divided double draw drawn equal equal angles equiangular equimultiples exceſs fame fides firſt folid fore four fourth given angle given in poſition given in ſpecies given magnitude given ratio given ſtraight line greater Greek half join leſs likewiſe magnitude manner meet muſt oppoſite parallel parallelogram perpendicular plane priſm produced PROP proportionals Propoſition pyramid reaſon rectangle remaining right angles ſame ſecond ſegment ſhall ſhewn ſides ſimilar ſolid ſquare ſquare of BC taken THEOR theſe third thro triangle ABC wherefore whole
Beliebte Passagen
Seite 5 - Let it be granted that a straight line may be drawn from any one point to any other point.
Seite 163 - 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 48 - 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 in the point C; the squares of AB, BC are equal to twice the rectangle AB, BC, together with the square of AC.
Seite 73 - The straight line drawn at right angles to the diameter of a circle, from the extremity of it, falls without the circle; and no straight line can be drawn from the extremity between that straight line and the circumference, so as not to cut the circle...
Seite 105 - 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...
Seite 3 - 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.
Seite 167 - Similar triangles are to one another in the duplicate ratio of their homologous sides.
Seite 54 - AB be the given straight line ; it is required to divide it into two parts, so that the rectangle contained by the whole, and one of the parts, shall be equal to the square of the other part.
Seite 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 of the line between the points of section, is equal to the square of half the line.
Seite 37 - To describe a parallelogram that shall be equal to a given triangle, and have one of its angles equal to a given rectilineal angle.
Bibliografische Informationen
| Titel | The Elements of Euclid: The Errors, by which Theon, Or Others, Have Long Ago Vitiated These Books, are Corrected and Some of Euclid's Demonstrations are Restored. Also, to this Second Edition is Added the Book of Euclid's Data. In Like Manner Corrected. viz. the first six books, together with ... |
| Autor/in | Robert Simson |
| Verlag | R. and A. Foulis, 1762 |
| Original von | University of Michigan |
| Digitalisiert | 11. Juni 2007 |
| Länge | 466 Seiten |
| Zitat exportieren | BiBTeX EndNote RefMan |