To erect a straight line at right angles to a given plane, from a point given in the plane. Let A be the point given in the plane. Books 10-13 and appendix - Page 294by Euclid, Sir Thomas Little Heath, Johan Ludvig Heiberg - 1908Full view - About this book
| Euclid, Robert Simson - Euclid's Elements - 1806 - 518 pages
...straight line AF is drawn perpendicular to that plane. Which was to be done. PROP. XII. PROB. TO erect **a straight line at right angles to a given plane, from a** point given in the plane. DB Let A be the point given in the plane ; it is required to erect a straight... | |
| John Mason Good, Olinthus Gilbert Gregory - 1813
...draw a straight line perpendicular to а plane, from a given point above it. Prop. XII. Prob. To erect **a straight line at right angles to a given plane, from a** point given Ы the plane. Prop. XIII. T.heor. From the same point in a giren plane, there cannot be... | |
| Euclides - Euclid's Elements - 1816 - 528 pages
...straight line AF is drawn perpendicular to that plane : Which was :o be done. PROP. XII. PROB. To erect **a straight line at right angles to a given plane, from a** point given in the plane. Let A be the point given in the plane; it is required io erect a straight... | |
| Abraham Rees - Encyclopedias and dictionaries - 1819
...fourth ftraight line, thus drawn, is perpendicular to the plane. XII. Problem. — To ereft a ftraight **line at right angles to a given plane from a given point in** the plane. From any given point above the plane draw a ftraight line perpendicular to the plane, and... | |
| Robert Simson - Trigonometry - 1827 - 513 pages
...straight line AF is drawn perpendicular to that plane. Which was to be done. PROP. XII. PROB. To erect **a straight line at right angles to a given plane, from a** point given in the plane. Let A be the point given in the plane ; it is required to erect a straight... | |
| Euclid, Robert Simson - Geometry - 1835 - 513 pages
...straight line AF is drawn perpendicular to that plane : Which was to be done. PROP. XII. PROB. To erect **a straight line at right angles to a given plane, from a given point in** the plane. Let A be the point given in the plane ; it is required to erect a straight line from the... | |
| Euclid, Robert Simson - Geometry - 1835 - 513 pages
...straight line AF is drawn perpendicular to that plane : Which was to be done. PROP. XII. PROB. To erect **a straight line at right angles to a given plane, from a given point in** the plane. Let A be the point given in the plane ; it is required to erect a straight line from the... | |
| Euclides - 1841
...straight line AF is drawn perpendicular to that plane. Which was to be done. PROP. XII. PROB. To erect **a straight line at right angles to a given plane, from a** point given in the plane. Let A be the point given in the plane; it is required to erect a straight... | |
| Robert Simson - Geometry - 1845 - 199 pages
...AF is drawn perpendicular to that plane. Which was to be done. PROPOSITION XII. PROB. — To erect **a straight line at right angles to a given plane, from a** point given in the plane. Let A be the point given in the plane ; it is required to erect a straight... | |
| Robert Potts - 1845
...BH, the straight line AF is drawn perpendicular to that plane. QEF PROPOSITION XII. PROBLEM. To erect **a straight line at right angles to a given plane, from a** point given in the plane. Let A be the point given in the plane. It is required to erect a straight... | |
| |