| Euclides - 1862 - 140 sider
...Therefore the straight line AB is divided into two equal parts in the point DQEF PROPOSITION 11.— PROBLEM. To draw a straight line at right angles to...given straight line from a given point in the same. (References — Prop. I. 1, 3, 8; ax. 1; def. 10.) Given. — Let AB be the given straight line, and... | |
| University of Oxford - 1863 - 328 sider
...required.] 1. Define — rhombus, diameter, plane angle, superficies, scalene triangle, hypotenuse. 2. Draw a straight line at right angles to a given straight line, from a given point in the same. 3. If two triangles have two sides of the one equal to two sides of the other, each to each, but the... | |
| 1863 - 302 sider
...pustulate and an axiom? Of what use are they in the demonstrations? 2. Proposition 11. Problem — Draw a straight line at right angles to a given straight line from a given point in the same. 3. Describe an isosceles triangle, the base and one of its sides being given. 4. Proposition 32, Theorem... | |
| Euclides - 1864 - 448 sider
...4.) Wherefore the straight line AB is divided into two equal parts in the point DQEF PROPOSITION XI. PROBLEM. To draw a straight line at right angles to...the same. Let AB be the given straight line, and C a given point in it. It is required to draw a straight line from the point C at right angles to AB.... | |
| Euclides - 1864 - 262 sider
...4.) Wherefore the straight line AB is divided into two equal parts in the point DQEF PROPOSITION XI. PROBLEM. To draw a straight line at right angles to...the same. Let AB be the given straight line, and C a given point in it. It is required to draw a straight line from the point C at right angles to AB.... | |
| Robert Potts - 1865 - 528 sider
...base BD. (i. 4.) "Wherefore the straight line AB is divided into two equal parts in the point DQEF PROPOSITION XL PROBLEM. To draw a straight line at...the same. Let AB be the given straight line, and C a given point in it. It is required to draw a straight line from the point C at right angles to AB.... | |
| Euclides - 1865 - 402 sider
...4.) Wherefore the straight line AB is divided into two equal parts in the point J>. QEF PROP. XI — PROBLEM. To draw a straight line at right angles to...given straight line, from a given point in the same. (References — Prop. I. 1, 3, 8 ; ax. 1 ; def. 10.) Let AB be the given straight line, and C the given... | |
| John Robertson (LL.D., of Upton Park sch.) - 1865 - 106 sider
...to each other, the sides which are opposite to the equal angles are equal to each other. [ECS] 42. Draw a straight line at right angles to a given straight line from a given point in the same, and thence show that two straight lines cannot have a common segment. [ECS] 43. If the side of a triangle... | |
| John Playfair - 1855 - 360 sider
...1.) DB, and the straight line AB is divided into two equal parts in the point D. D PROP. XI. PROB. To draw a straight line at right angles to a given straight line, from « gtwm point in that line. Let AB be a given straight line, and C a point given in it ; it is requiiecl... | |
| Euclid, Isaac Todhunter - 1867 - 426 sider
...Wherefore the given straight line AB is divided into two equal partt at the point DQEF PROPOSITION 11. PROBLEM. To draw a straight line at right angles to...and C the given point in it : it is required to draw from the point C a straight line at right angles . . toAB. ADO 2 B Take any point D in AC, and make... | |
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