 | Edward Atkins - 1874 - 428 sider
...the straight line AB is divided into two equal parts in the point DQEF Proposition 11. — Problem. To draw a straight line at right angles to a given...straight line from a given point in 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... | |
 | Euclides - 1874 - 342 sider
...The straight line AB is divided into two equal parts in the point DQEF PROPOSITION 11.— Problem. To draw a straight line at right angles to a given...straight line, from a given point in 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... | |
 | Euclides - 1874 - 120 sider
...vertical angle of an isosceles triangle also bisects the base at right angles. PROPOSITION 11. PROBLEM. To draw a straight line at right angles to a given...straight line, from a given point in the same. * Let AB bo ' • the given straight line, and C the given point in it. It is required to draw a straight line... | |
 | Francis Cuthbertson - 1874 - 400 sider
...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 sider
...the straight line AB is divided into two equal parts in the point DQEF Proposition 11. — Problem. To draw a straight line at right angles to a given...straight line from a given point in 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... | |
 | 1876 - 400 sider
...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... | |
 | Robert Potts - 1876 - 446 sider
...straight line, from a given point in the tame. Let AB be the given straight line, and Ca given point in it. It is required to draw a straight line from the point C at right angles to AB In AC take any point D, and make CE equal to CD; (I. 3.) upon DE describe the equilateral triangle... | |
 | Richard Wormell - 1876 - 268 sider
...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... | |
 | Francis Cuthbertson (geometer.) - 1876 - 102 sider
...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... | |
 | Euclides, James Hamblin SMITH - 1876 - 382 sider
...:• 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... | |
| |
To draw a straight line at right angles to a given straight line, from a given point in the same. 
