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" To draw a straight line at right angles to a given straight line, from a given point in the same. "
The Elements of Euclid: Viz. the First Six Books, Together with the Eleventh ... - Page 20
by Euclid, Robert Simson - 1821 - 516 pages
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The First Six Books: Together with the Eleventh and Twelfth

Euclid - 1781 - 552 pages
...right angles to a given ftraight line, from a given point in the fame. SeeN. Let AB be a given ftraight line, and C a point given in it; it is required to draw a ftraight line from the point C at right angles to AB. , • 3. r. , Take any point D in AC, and a make...
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The Elements of Euclid: Also the Book of Euclid's Data ...cor. viz. The ...

Robert Simson - Trigonometry - 1804 - 530 pages
...angles to a given ftraight line, from a given point in the fame. See N. Let AB be a given ftraight line, and C a point given in it ; it is required to draw a ftraight line from the point C at right angles to AB. a. 3. i. Take any point D in AC, and make »...
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Elements of Geometry;: Containing the First Six Books of Euclid, with a ...

John Playfair, Euclid - Circle-squaring - 1804 - 468 pages
...at right angles to a given ftraight line, from a given point in the fame. Let AB be a given ftraight line, and C a point given in it ; it is required to draw a ftraight line from the point C at right angles to AB. Take any point D in AC, and* make CE equal to...
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Pantologia. A new (cabinet) cyclopędia, by J.M. Good, O. Gregory ..., Volume 5

John Mason Good - 1813 - 714 pages
...To bisect a given finite straight line, that is, to divide it into two equal part«. Prop. XI. Prob. To draw a straight line at right angles to a given straight line, from a given point in the same. Prop. XII. Prob. To draw a straight line perpendicular to a given straight line of an unlimited length,...
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The Elements of Euclid: Viz. the First Six Books, Together with the Eleventh ...

Euclides - 1816 - 588 pages
...divided into two equal parts in V the point D. Which was to be done. ' SecN. •3. I. "ll PROP. XI. PROB. To draw a straight line at right angles to a given...given straight line, and C a point given in it ; it U required to draw a straight line from the point C at right angles to AB. Take any point D in AC,...
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Elements of Geometry: Containing the First Six Books of Euclid: With a ...

John Playfair - 1819 - 354 pages
...straight line AB is divided into two equal parts in llje point D. Which was to be done. A PROP. XI. PROB. To draw a straight line at right angles to a given straight line, from a given point in that line. Lei AB be a given straight line, and C a point given in it ; it is required to draw a straight...
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Elements of Geometry: Containing the First Six Books of Euclid, with a ...

John Playfair - Circle-squaring - 1819 - 350 pages
...line AB is divided into two equal parts in 1he point D. Which was to be done. PROP. XL PROB. To dram 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...
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A Popular Course of Pure and Mixed Mathematics ...: With Tables of ...

Peter Nicholson - Mathematics - 1825 - 1046 pages
...line AB is divided into two equal parts in the point D. Which was to be done. Proposition XI. Problem. To draw a straight line at right angles to a given...in the same. Let AB be a given straight line, and С a point given in it ; it is required to draw a straight line from the point С at right angle»...
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The Elements of Euclid: The Errors by which Theon, Or Others, Have Long ...

Robert Simson - Trigonometry - 1827 - 546 pages
...line AB is divided into two equal parts in the point D. Which was to be done. PROP. XI. PROB. To drain a straight line at right angles to a given straight...Let AB be a given straight line, and C a point given See N. in it; it is required to draw a straight line from the point C at right angles to AB. DB t Constr....
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Elements of Geometry: Being Chiefly a Selection from Playfair's Geometry

John Playfair - Geometry - 1829 - 210 pages
...base at right angles. For the triangles ACD, BCD are equal in all respects. PROPOSITION XI. PROBLEM. To draw a straight line at right angles to a given...AB be a given straight line, and C a point given in AB; it is required to draw a straight line from C at right angles to AB. Take any point D in AC, and...
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