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 - 1874 - 342 pages
...point A, above the plane BH, the straight line AF is drawn perpendicular to it. QEF PROPOSITION 12. — Problem. To draw a straight line at right angles to a given plane, from a point given in the plane. Let A be the given point in the plane. It is required to draw... | |
| Francis Cuthbertson - Euclid's Elements - 1874 - 400 pages
...L is j . to the other. PROPOSITION VII. // is always possible to draw a straight line perpendicular to a given straight line from a given point in the same. \l a J>\ A. as c Let BC be the given straight line, and A the given point in it. Then from A a straight... | |
| Edward Atkins - 1876 - 130 pages
...(I. 4). 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...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.... | |
| 1876 - 400 pages
...national English army which gave the Conqueror such a warm reception on the Hill of Senlac. EUCLID. (1.) To draw a straight line at right angles to a given straight line, from a given point in the same. State and prove the corollary. (2.) At a given point in a given straight line to make a rectilineal... | |
| Richard Wormell - 1876 - 268 pages
...radius, are equal, and therefore the arcs are equal, and, consequently, so are the angles. PROBLEM IV. To draw a straight line at right angles to a given straight line from a given point in it. Let AB he the given straight line, and С the given point in it. With С as centre, and any convenient... | |
| Euclides, James Hamblin Smith - Geometry - 1876 - 382 pages
...:• DC=CE, and CF is common, and FD=FE, .: L DCF= iECF; Ic and /. FC is x to AB. Def. 9. QBF COR. To draw a straight line at right angles to a given straight line AC from one extremity, C, take any point D in AC, produce AC to E, making CE=CD, and proceed as in... | |
| Francis Cuthbertson (geometer.) - 1876 - 102 pages
...EUCLID'S AXIOM. — All right angles are eqttal to one another. PROPOSITION XII. To draw a perpendicular to a given straight line from a given point in the same. Let -5Cbe the given straight line, and A the given point in it. It is required to draw from A a perpendicular... | |
| Edward Atkins - 1877 - 72 pages
...(I. 4). 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...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 tho point C at right angles to AB.... | |
| William Parsons Warburton - 1878 - 102 pages
...national English army which gave the Conqueror such a warm reception on the Hill of Senlac. EUCLID. (1.) To draw a straight line at right angles to a given straight line, from a given point in the same. State and prove the corollary. (2.) At a given point in a given straight line to make a rectilineal... | |
| Euclides, James Hamblin Smith - Geometry - 1878 - 398 pages
...may be one-third of the line, which is made up of the whole and the part produced. PROPOSITION XI. PROBLEM. To draw a straight line at right angles to a given straight line from a given point in the saine. Let AB be the given st. line, and C a given pt. in it. It is required to draw from C a st. line... | |
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