 | Euclides - 1847 - 128 pages
...base DB (Prop. IV.) : ie the st. line bisected in the point D. — QEF PROP. XI. PROB. GEN. ENUN. — To draw a straight line at right angles to a given straight line from a given point in the same. PART. ENUN. — Let AB be the gn. st. line, and C a gn. pt. in it; then it is required to draw from... | |
 | Euclides - 1848 - 52 pages
...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 pages
...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 pages
...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 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... | |
 | Janet Taylor - Nautical astronomy - 1851 - 674 pages
...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 pages
...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.... | |
 | Education - 1851 - 626 pages
...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 pages
...a 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 - Measurement - 1852 - 84 pages
...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 pages
...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... | |
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To draw a straight line at right angles to a given straight line, from a given point in the same. 
