 | Euclid, Isaac Todhunter - Euclid's Elements - 1867 - 426 pages
...points being taken, the straight line between them lies wholly in that superficies. 8. A plane angle is the inclination of two lines to one another in a plane,...meet together, but are not in the same direction. 9. A plane rectilineal angle is the inclination of two Btraight lines to one another, which meet together,... | |
 | Euclid, Isaac Todhunter - Euclid's Elements - 1867 - 424 pages
...points being taken, the straight line 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 the tame direction. 9. A plane rectilineal angle is the inclination of two straight lines to one another,... | |
 | Robert Potts - 1868 - 434 pages
...lies wholly in that superficies. VIII. A plane angle is the inclination of two lines to each other in a plane, which meet together, but are not in the same direction. IX. A plane rectilineal angle is the inclination of two straight lines to one another, which meet together,... | |
 | William Alexander Myers - Circle-squaring - 1873 - 238 pages
...on one side of it, so as to make the adjacent angles equal to two right angles. 21. A plane angle is the inclination of two lines to one another in a plane...meet together, but are not in the same direction. 22. A plane rectilineal angle is the inclination of two straight lines to one another which meet together,... | |
 | Henry Major - Student teachers - 1873 - 588 pages
...being taken, the straight line between them lies wholly in that superficies. VIII. A plane angle is the inclination of two lines to one another in a plane,...meet together, but are not in the same direction. IX. A plane rectilineal angle is the inclination of two straight lines to one another, which meet together,... | |
 | William Alexander Myers - Circle-squaring - 1874 - 207 pages
...on one side of it, so as to make the adjacent angles equal to two right angles. 21. A plane angle is the inclination of two lines to one another in a plane...meet together, but are not in the same direction. 22. A plane rectilineal angle is the inclination of two straight linesto one another which meet together,... | |
 | Edward Atkins - 1874 - 426 pages
...points being taken, the straight line between them lies wholly in that si^perficies. 8. A plane angle is the inclination of two lines to one another in a plane,...meet together, but are not in the same direction. 9. A plane rectilineal angle is the inclination of two straight lines to one another, which meety together,... | |
 | Euclides - 1874 - 120 pages
...points being taken, the straight line between them lies wholly in that superficies. 8. A plane angle is the inclination of two lines to one another in a plane,...meet together, but are not in the same direction. 9. A plane rectilineal angle is the inclination of two straight lines to one another, which meet together,... | |
 | L J V. Gerard - 1874 - 428 pages
...PEOPORTIONAL LINES. CHAPTER I. ON ANGLES. SECTION I. ON ANGLES GENERALLY. DEFINITIONS. "A plane angle IB the inclination of two lines to one another in a plane, which meet together, but are not iu tbe same direction." EUCLID. " When two straight lines meet, the greater or lesser quantity by which... | |
 | Euclides - 1874 - 342 pages
...them lies wholly in that superficies. 8. A plane angle is the inclination of two lines to each other in a plane, which meet together, but are not in the same straight line. A 9. A plane rectilineal angle is the inclination of two straight lines to one another,... | |
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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. 
