 | John Playfair - Euclid's Elements - 1837 - 332 pages
...perpendicular to a plane, from a given point above it. Let A be the given point above the plane BH, it is required to draw from the point A a straight line perpendicular to the plane BH. In the plane draw any straight line BC, and from the point A draw (Prop.... | |
 | Robert Simson - Geometry - 1838 - 434 pages
...point to draw a straight line equal to a given straight line. Let A be the given point, and BC the given straight line ; it is required to draw from...straight line equal to BC. From the point A to B draw (I. Post.) the straight line AB; and upon it describe (1. 1.) the equilateral triangle DAB, and produce... | |
 | Euclides - 1838 - 264 pages
...point to draw a straight line equal to a given straight line. Let A be the given point, and BC the given straight line ; it is required to draw from the point A a straight line equal to BC. «i PO«. From the point A to B draw* the straight line *Prop. i. AB; and upon it describe* the equilateral... | |
 | Thomas Grainger Hall - Geometry, Descriptive - 1841 - 214 pages
...perpendicular to a plane from a given point above it. Let A be the given point, BH the given plane; it is required to draw from the point A, a straight line _L to BH. In the plane draw any straight line BC, and from A draw AD a. to BC. Then if AD be also -i-... | |
 | Euclides - Geometry - 1841 - 378 pages
...perpendicular to a plane, from a given point above it. Let A be the given point above the plane BH; it is required to draw from the point A a straight line perpendicular to the plane BH. In the plane draw any straight line BC, and from the point A draw* AD... | |
 | John Playfair - Euclid's Elements - 1842 - 332 pages
...perpendicular to a plane, from a given point above it. Let A be the given point above the plane BH, it is required to draw from the point A a straight line perpendicular to the plane BH. In the plane draw any straight line BC, and from the point A draw (Prop.... | |
 | Euclides - 1842 - 316 pages
...Therefore, if two straight lines, &c. QED PROP. X. PROB. Let A be the given point above the plane вн: it is required to draw from the point A a straight line perpendicular to the plane вн. In the plane draw any straight line в c, and from the point A draw... | |
 | John Playfair - Euclid's Elements - 1844 - 338 pages
...point to draw a straight line equal to a given straight line. Let A be the given point, and BC the given straight line ; it is required to draw, from...point A, a straight line equal to BC. From the point \ to B draw (1. Post.) the straight line AB ; and upon it describe (1. 1.) the equilateral triangle... | |
 | Euclid, James Thomson - Geometry - 1845 - 382 pages
...straight bne.t Let A be the given point, and BC the given straight line ; it is required to draw from A a straight line equal to BC. From the point A to B draw (I. post. 1) the straight line AB; and upon it describe (I. 1) the equilateral triangle DAB, and produce... | |
 | Euclides - 1845 - 546 pages
...perpendicular to a plane, from a given point above it. Let A be the given point above the plane BH. It is required to draw from the point A a straight line perpendicular to the plane BH. In the plane draw any straight line BC, and from the point A draw AD... | |
| |
From a given point to draw a straight line equal to a given straight line. Let A be the given point, and BC the given straight line; it is required to draw from the point A a straight line equal to BC. 
