 To draw a straight line at right angles to a given straight line, from a given point in the same.  Euclid - Page 26by Euclid, Rupert Deakin - 1903 - 164 pagesFull view - About this book
 | 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... | |
 | John Playfair - Euclid's Elements - 1842 - 332 pages
...1.) DB, and the straight line AB is divided into two equal pans in the point D. AD PROP. XI. PROS. 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... | |
 | Janet Taylor - Nautical astronomy - 1842 - 592 pages
...are cutting the former in E and o. Join EG, then и will be the perpendicular required. PROBLEM IV. To draw a straight line at right angles to a given straight line, frDm a given point in the same. Let AB be the given straight line, and с the given point. From the... | |
 | Euclides - 1845 - 546 pages
...straight line AB is divided into two equal parts in the point DQBP PROPOSITION XI. PROBLEM. To dram a straight line at right angles to a given straight...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.... | |
 | Euclid - Geometry - 1845 - 218 pages
...AB is divided into two equal parts in the point D. Which was to be done. PROPOSITION XI. PHOB. — 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, James Thomson - Geometry - 1845 - 382 pages
...line joining the two points of intersection will bisect AB. The proof is easy. 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 C at... | |
 | Euclides - 1846 - 292 pages
...to the base DB : Wherefore the straight line AB is bisected in the point D. o.. EF PROP. XI. PHOB. To draw a straight line at right angles to a given...the same. Let AB be the given straight line, and C a given point in it : it is required to draw from the point C a straight line at right angles to AB.... | |
 | Great Britain. Admiralty - Geometry - 1846 - 128 pages
...DB. Therefore the str. line AB is divided into two = parts in the point D. PROP. X. PROB. 11. lEu. To draw a straight line at right angles to a given...from a given point in the same. Let AB be the given line, and C a given pt. in it; it is required to draw from C a str. line J_ AB. Take any point D in... | |
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