The synoptical Euclid; being the first four books of Euclid's Elements of geometry, with exercises, by S.A. Good |
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Página 2
... that which is greater than a right angle . XII . An acute angle is that which is less than a right angle . XIII . “ A term or boundary is the extremity of any thing . " XIV . A figure is that which is inclosed by 2 EUCLID'S ELEMENTS .
... that which is greater than a right angle . XII . An acute angle is that which is less than a right angle . XIII . “ A term or boundary is the extremity of any thing . " XIV . A figure is that which is inclosed by 2 EUCLID'S ELEMENTS .
Página 3
A figure is that which is inclosed by one or more boundaries . XV . A circle is a plane figure contained by one line , which is called the cir . cumference , and is such that all straight lines drawn from a certain point within the ...
A figure is that which is inclosed by one or more boundaries . XV . A circle is a plane figure contained by one line , which is called the cir . cumference , and is such that all straight lines drawn from a certain point within the ...
Página 4
... triangle is that which has three acute angles . XXX . Of four - sided figures , a square is that which has all its sides equal , and all its angles right angles . XXXI . An oblong is that which has all its 4 EUCLID'S ELEMENTS . A ...
... triangle is that which has three acute angles . XXX . Of four - sided figures , a square is that which has all its sides equal , and all its angles right angles . XXXI . An oblong is that which has all its 4 EUCLID'S ELEMENTS . A ...
Página 5
All other four - sided figures besides these are called Trapeziums . XXXV . Parallel straight lines are such as are in the same plane , and which , being produced ever so far both ways , do not meet . POSTULATES .
All other four - sided figures besides these are called Trapeziums . XXXV . Parallel straight lines are such as are in the same plane , and which , being produced ever so far both ways , do not meet . POSTULATES .
Página 32
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 . Q.E.D. D E с F A B For any rectilineal figure ABCDE can be divided into as many ...
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 . Q.E.D. D E с F A B For any rectilineal figure ABCDE can be divided into as many ...
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Términos y frases comunes
ABCD AC is equal AF is equal angle ABC angle ACB angle BAC angle BCD angle equal base base BC bisected centre circle ABC circumference coincide common demonstrated describe diameter distance divided double draw equal angles exterior angle extremity fall figure four given circle given point given straight line given triangle gnomon greater impossible inscribed join less Let ABC likewise manner meet opposite angles parallel parallelogram pass pentagon perpendicular point F PROBLEM produced Q.E.D. PROP reason rectangle contained rectilineal figure remaining angle required to describe right angles segment semicircle shown sides square of AC straight line AC THEOREM touches the circle triangle ABC twice the rectangle wherefore whole
Pasajes populares
Página 26 - 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...
Página 22 - If from the ends of a 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.
Página 32 - 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.
Página 1 - A plane superficies is that in which any two points being taken, the straight line between them lies wholly in that superficies. vm. "A plane angle is the inclination of two lines to one another in a plane, which meet together, but are not in the same direction.
Página 97 - 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.
Página 7 - AB; but things which are equal to the same are equal to one another...
Página 14 - To bisect a given finite straight line, that is, to divide it into two equal parts. Let AB be the given straight line : it is required to divide it intotwo equal parts.
Página 53 - 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.
Página 41 - To a given straight line to apply a parallelogram, which shall be equal to a given triangle, and have one of its angles equal to a given rectilineal angle.
Página 52 - 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...
Información bibliográfica
| Título | The synoptical Euclid; being the first four books of Euclid's Elements of geometry, with exercises, by S.A. Good |
| Autor | Euclides |
| Editor | Samuel A Good |
| Publicado | 1853 |
| Procedencia del original | Universidad de Oxford |
| Digitalizado | 7 Sep. 2006 |
| Exportar cita | BiBTeX EndNote RefMan |