| Euclides - 1848 - 52 Seiten
...bisect a given finite straight line, that is, to divide it into two equal parts. PROP. XI. PROBLEM. **To draw a straight line at right angles to a given straight line, from a given point in the same.** COR. By help of this problem, it may be demonstrated, that two straight lines cannot have a common... | |
| Bengal council of educ - 1848 - 394 Seiten
...Distinguish between a segment, and a sector of a circle; also between a direct and indirect demonstration. 2. **Draw a straight line at right angles to a given straight line from** one extremity of the same. 3. If there be two straight lines, one of which is divided into any number... | |
| Euclid, Thomas Tate - 1849 - 120 Seiten
...the straight line AB is divided into two equal parts in the point D. Which was to be done. PROP. XL **PROB. To draw a straight line at right angles to a...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... | |
| Janet Taylor - 1851 - 674 Seiten
...arc cutting the former in E and o. Join EG, then EI will be the perpendicular required. Problem IV. **To draw a straight line at right angles to a given...the given straight line, and c \ the given point.** From the point c, and with any convenient distance less than CA or CB, describe the arc EF. From E... | |
| 582 Seiten
...l/tis direction is not observed. EUCLID. SECTION I. 1. Define the terms right angle and perpendicular. **Draw a straight line at right angles to a given straight line from a given point in the same.** 2. Make (when possible) a triangle of which the sides shall be equal to thrM given straight lines.... | |
| 1851 - 626 Seiten
...between a segment, and a sector of a circle; also between a direct and indirect demonstration. '2. **Draw a straight line at right angles to a given straight line from** ORC extremity of the same. 3. If there be two straight lines, one of which is divided into any number... | |
| Euclides - 1852 - 152 Seiten
...ruler placed upon C and E, observe where it cuts the line AB, and mark the point D.] DB, PROP. XL PEOB. **To draw a straight line at right angles to a given straight line, from a given point in the same.** BOOK I. Let AB be a given straight line, and C a point given in it; * it is required to draw a straight... | |
| William Nathaniel Griffin - 1852 - 84 Seiten
...32. Def. — In technical language a line or angle divided into halves is said to be bisected. 33. **To draw a straight line at right angles to a given straight line from a** proposed point in the latter. Let A be the point in the straight line BAC from which XD we wish to... | |
| Popular educator - 1852 - 842 Seiten
...than those which are usually given. SOLUTIONS OF PROBLEMS AND QUERIES. (From No. 7, page 111.) 1 . **Draw a straight line at right angles to a given straight line from** one of its extremities, without producing it ; and give a demonstration with as few propositions from... | |
| Euclides - 1853 - 334 Seiten
...is divided into two equal parts, or bisected in the point D. Which was to be done. PEOP. XI. PEOB. **To draw a straight line at right angles to a given...and c the given point in it. It is required to draw** from the point ca straight line at right angles to AB. The given point c either lies between the extremities... | |
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