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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...
The synoptical Euclid; being the first four books of Euclid's Elements of ... - Σελίδα 1
των Euclides - 1853
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## Euclid, books i. & ii., with notes, examples, and explanations, by a late ...

Euclides - 1879
...extremities of lines are points. [It is clear that the intersections of lines are also points.] 4. A straight line is that which lies evenly between its extreme points. [When the direction of a line is known, the line is said to be given in position ; also when its length...

## Moffatt's pupil teachers' course (ed. by T. Page). Candidates, 2nd (-4th) year

Moffatt and Paige - 1879
...has no magnitude. 2. A line is length without breadth. 3. The extremities of a line are points. 4. A straight line is that which lies evenly between its extreme points. 5. A superficies is that*which has only length and breadth. 6. The extremities of superficies are lines....

## The Elements of Euclid for the Use of Schools and Colleges: With Notes, an ...

Isaac Todhunter - 1880 - 400 σελίδες
...,~" " r ' . .' </ 2. A line is length without breadth. 3. The extremities of a line are points. 4. A straight line is that which lies evenly between its extreme points. 5. A superficies is that which has only length and breadth. 6. The extremities of a superficies are...

## Euclid for beginners, books i. and ii., with simple exercises by F.B. Harvey

Euclid, F. B. Harvey - 1880 - 119 σελίδες
...letters, placed on the line, or at its extremities. A" B 3. THE EXTREMITIES of a line are points. 4. A STRAIGHT LINE is that which lies evenly between its extreme points. This is sometimes called a right line. 5. A SUPERFICIES is that which has only length and breadth....

## The Practical Teacher, Τόμος 1,Τεύχος 1

1882
...juice, which is collected in troughs and put into casks. Pitch and tar also got from the fir. Euclid. I. A straight line is that which lies evenly between its extreme points. A plane superficies is that in which, any two points being taken, the straight line between them lies...

## Class lessons on Euclid

Marianne Nops - 1882
...magnitude." 2. ' A line is length without breadth.' 3. ' The extremities of a line are points.' 4. ' A straight line is that which lies evenly between its extreme points.' 5. 'A superficies or surface is that which has only length and breadth.' G. ' The extremities of a...

## The Elements of Euclid for the Use of Schools and Colleges: Comprising the ...

Euclid, Isaac Todhunter - 1883 - 400 σελίδες
...has no magnitude. 2. A line is length without breadth. 3. The extremities of a line are points. 4. A straight line is that which lies evenly between its extreme points. 5. A superficies is that which has only length and breadth. 6. The extremities of a superficies are...

## Stewart's specific subjects. Euclid. [1st] (-3rd stage). [With 2 issues of ...

Stewart W. and co - 1884
...no magnitude. II. A line is length without breadth. III. Points are the extremities of a line. TV. A straight line is that which lies evenly between its extreme points. V. A superficies has only length and breadth. VI. The extremities of a superficies are lines. VII. A plain superficies...

## An introduction to geometry, consisting of Euclid's Elements, book ..., Τόμος 1

Euclides - 1884
...redundant. 3. LINES. 2. A line is length without breadth. 3. The extremities of a line are points. 4. A straight line is that which lies evenly between its extreme points. A physical line has breadth, however little, and even some thickness or depth ; we could not sec its...

## Stewart's guide-book to the queen's scholarship and certificate examinations ...

Stewart W. and co - 1884
...ABS. EUCLID. SECTION L Define a straight line — a rhombus. Write out the 12th axiom of Euclid. 1. A straight line is that which lies evenly between its extreme points. 2. A rhombus is a four-sided figure which has all its sides equal, but its angles are not right angles....