 | Robert Simson - 1762 - 488 sider
...lies wholly in that fuperficies. VIII. " A plane angle is the inclination of two lines to one another in a ^ " plane, which meet together, but are not in the fame direction." IX. A plane rectilineal angle is the inclination of two ftraicrht lines to one another,which meet together,... | |
 | Robert Simson - 1775 - 534 sider
...wholly in that fuperficies. vra. " A plane angle is the inclination of two lines to one another See N; " in a plane, which meet together, but are not in the fame " direction." IX. A plane rectilineal angle is the inclination of two ftraight lines to one another, which meet together,... | |
 | Euclid - 1781 - 552 sider
...in that fuperficies. VIII. «f A plane angle is the inclination of two lines to one another See N. " in a plane, which meet together, but are not in the fame " direction." IX. A plane rectilineal angle is- the inclination of two ftraight lines to one another, which meet... | |
 | Rev. John Allen - 1822 - 516 sider
...diameter of a circle, and the part of the circumference which is cut off thereby, (as ADB). 16. A plain angle, is the inclination of two lines to each other in a plain, which meet together, but are not in the same direction. 17. A rectilineal angle, is the inclination... | |
 | Euclides - 1845 - 546 sider
...which any two points being taken, the straight line between them lies wholly in that superficies. VIII. A plane angle is the inclination of two lines to each...in a plane which meet together, but are not in the same straight line. IX. A plane rectilineal angle is the inclination of two straight lines to one another,... | |
 | Euclides - 1848 - 52 sider
...which any two points being taken, the straight 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, but not in the same straight line. IX. A plane rectilineal angle is the inclination of two straight lines... | |
 | Euclides - 1858 - 248 sider
...contained within its boundaries ; — as, 4 square inches ; 9 square feet ; 13 square yards, &c. 8. A plane angle is the inclination of two lines to each other in a plane, which meet together in the same point, Iwl are not in the same straight line. A plane angle is the opening of two lines... | |
 | Robert Potts - 1860 - 380 sider
...which any two points being taken, tne Straight line between them lies wholly in that suparficies. VHL A plane angle is the inclination of two lines to each...in a plane, which meet together, but are not in the same straight line. IX. A plane rectilineal angle is the inclination of two straight lines to one another,... | |
 | British and foreign school society - 1863 - 566 sider
...precedes the 9th, because a plane rectilineal angle- is a particular kind of p'a"6 angle. In the 8th " a plane angle is the inclination of two lines to each...in a plane which meet together, but are not in the same straight line ;" the adjective plane is used to distinguish the angle defined from a solid angle... | |
 | Euclides - 1863 - 74 sider
...;— as, 4 square inches ; .J square feet ; 13 square yards, &c. 8. A plane angle (angulus, a corner), is the inclination of two lines to each other in a plane, which meet together in the same point, but are not in the same straight line. A plane angle is the opening of two lines... | |
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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. 
