| Charles Reiner - Geometry - 1837 - 246 pages
...given finite straight line. 4. To draw a straight line at right angles to a given straight line. 5. To draw a straight line at right angles to a given straight line from a given point, in the same. 6. To draw a straight line at right angles to a straight line from a given point without it. 7. To... | |
| John Playfair - Euclid's Elements - 1837 - 332 pages
...1.) DB, and the straight line AB is divided into two equal parts in the point D. 18 PROP. XL PROB. To draw a straight line at right angles to a given straight line, from a given point in that line. Let AB be a given straight line, and C a point given in it ; it is required to draw a straight... | |
| Euclides - Euclid's Elements - 1837 - 112 pages
...Problem. To bisect a given finite straight line; that is, to divide it into two equal parts. Problem. a straight line at right angles to a given straight line from a given point in the same. PROPOSITION XI. To draw A JL \ COR. (Argument ad absurdum). Two right lines cannot have a common segment.... | |
| Charles Reiner - Geometry - 1837 - 254 pages
...draw a straight line equal to a given straight line. 3. To bisect a given finite straight line. 4. To draw a straight line at right angles to a given straight line. 5. To draw a straight line at right angles to a given straight line from a given point in the same.... | |
| Robert Simson - Geometry - 1838 - 434 pages
...straight line AB is divided into two equal parts in the point D. Which was to be done. PROP. XI. PROB. To draw a straight line at right angles to a given...straight line, from a given point in the same. Let AB be a given straight line, and C a point given in it : it is required to draw a straight line from the... | |
| Euclides - 1838 - 264 pages
...straightline ABis divided into , two equal parts in the point D. Which was to be done. PROP. XI. PROB. To draw a straight line at right angles to a given...straight line, from a given point in the same. Let AB be a given straight line, and C a point given in it ; it is required to draw a straight line from the... | |
| Euclid - Geometry - 1838 - 470 pages
...straight line AB is divided into two equal parts in the point D. Which was to be done. PROP. XI. PROB. To draw a straight line at right angles to a given straight line, from a given point in ihe same. Let AB be a given straight line, and C a point given in it : it is required to draw a straight... | |
| Euclides - Geometry - 1841 - 378 pages
...straight line AB is divided into two equal parts in the point D. Which was to be done. PROP. XI. PROB. To draw a straight line at right angles to a given...straight line, from a given point in the same. Let AB be a given straight line, and C a point given in it; it is required to draw from the point C a straight... | |
| Euclides - 1842 - 316 pages
...ACD is equal to BCD ; therefore, AD is equal to DB (4. 1.). Thus AB is bisected in D. PROP. XI. PROB. To draw a straight line at right angles to a given...straight line, from a given point in the same. Let AB be a given straight line, and ca point given in it ; it is required to draw a straight line from the point... | |
| Chambers W. and R., ltd - 1842 - 744 pages
...practical problems, showing how to bisect (that is, divide in two) an angle and a straight line ; also how to draw a straight line at right angles to a given straight line, from a given point in that given line, as well as from a point without or beyond that given line. The 16th, 17th, 18th, and... | |
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