 | Moffatt and Paige - 1879 - 378 sider
...SECTION I. (One question.) (a) Define a plane superficies, an isosceles triangle, and an oblong. . A plane superficies is that in which, any two points...line between them lies wholly in that superficies. (6) Explain the term Axiom: write out the eleventh axiom ; in which proposition is this axiom first... | |
 | Euclides, Frederick Burn Harvey - 1880 - 178 sider
...surface. A. superficies is denoted by letters placed at its sides, or extremities. 6. THE EXTREMITIES OP A SUPERFICIES are lines. 7. A PLANE SUPERFICIES is...line between them lies wholly in that superficies. A Plane Superficies is sometimes called ' A Plane.' A brick has six plane superficies, or surfaces.... | |
 | Isaac Todhunter - 1880 - 426 sider
...that which has only length and breadth. 6. The extremities of a superficies are lines. . 7. A piano superficies is that in which any two points being...between them lies wholly in that superficies. 8. A plane angle is the inclination of two lines to one another in a plane, which meet together, but are not in... | |
 | 1880 - 880 sider
...RIGHT LINE, is the shortest distance between the two points vvnich limit its length, as AC. 4 с III. A PLANE SUPERFICIES is that in which any two points...the straight line between them lies wholly in that surface. IV. PARALLEL LINES are such as are in the same plane, and which, A Я extended infinitely,... | |
 | Marianne Nops - 1882 - 278 sider
...its extreme points.' 5. 'A superficies or surface is that which has only length and breadth.' G. ' The extremities of a superficies are lines.' 7. '...line between them lies wholly in that superficies.' (This is the carpenter's test, trying a flat surface with a straight edge.) The ideas which are formulated... | |
 | 1882 - 676 sider
...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...line between them lies wholly in that superficies. An obtuse angle is that which is greater than a right angle. A circle is a plane figure contained by... | |
 | Euclid, Isaac Todhunter - 1883 - 428 sider
...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...line between them lies wholly in that superficies. 9. A plane rectilineal angle is the inclination of two straight lines to one another, which meet together,... | |
 | Euclides - 1883 - 176 sider
...lines, and the intersection of one superficies with another is a line. 5. A plane superficies, or plane, is that in which any two points being taken, the straight...line between them lies wholly in that superficies. This is the test of planeness which we usually employ to find if there are inequalities in a surface... | |
 | Euclides - 1884 - 182 sider
...another, what would the straight line joining them be called? 4. SURFACES. 5. A superficies, or surface, is that which has only length and breadth. 6. The...two points being taken, the straight line between lies wholly in that superficies. The words ' superficies ' and ' surface ' are two words both derived... | |
 | Euclides - 1884 - 214 sider
...superficies is that which has only length and breadth. VI. The extremities of a superficies are lines. VII. A plane superficies is that in which any two points...line between them lies wholly in that superficies. VIII. A plane angle is the inclination of two lines to each other in a plane, which meet together,... | |
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A plane rectilineal angle is the inclination of two straight lines to one another, which meet together, but are not in the same straight line. 
