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Books Books 1 - 10 of 22 on And because the plane AB is perpendicular to the third plane, and DE is drawn in....  
" And because the plane AB is perpendicular to the third plane, and DE is drawn in the plane AB at right angles to AD their common section... "
Books 10-13 and appendix - Page 304
by Euclid, Sir Thomas Little Heath, Johan Ludvig Heiberg - 1908
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The Elements of Euclid: The errors, by which Theon, or others, have long ago ...

Robert Simson, Euclid - Trigonometry - 1762 - 466 pages
...plane BC with the third plane, and becaufe the plane AB is perpendicular to the third plane, and DE is drawn in the plane AB at right angles to AD their common fection, DE is perpendicular to the third «.4.Def.ii . plane ". in the fame manner, it may be proved...
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The Elements of Euclid, viz: The errors, by which Theon, or others, have ...

Robert Simson, Euclid - Trigonometry - 1775 - 520 pages
...plane BC with the third plane. And becaufe the plane AB is perpendicular to the third plane, and DE is drawn in the plane AB at right angles to AD their common fection, DE is perpendicular to a4.def. ii. the third plane*. In the fame manner, it may be proved...
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The First Six Books: Together with the Eleventh and Twelfth

Euclid - 1781 - 520 pages
...plane BC with the third plane. And becaufe the plane AB is perpendicular to the third plane, and Di is drawn in the plane AB at right angles to AD their common fection, DE is perpendicular to the third • 4-def. xt. plane a. In the fame manner, it may be proved...
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The elements of Euclid: viz. the first six books, with the eleventh and ...

Trigonometry - 1799 - 351 pages
...plane BC, with the third plane. And becaufe the plane AB is perpendicular to the third plane, and DE is drawn in the plane AB at right angles to AD their common feftion, DE is perpendicular to the third plane *. In the fame manner, it may be proved, that DF is...
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The Elements of Euclid: Also the Book of Euclid's Data ...cor. viz. The ...

Robert Simson - Trigonometry - 1804
...plane BC with the third plane. and becaufe the plane AB is perpendicular to the third plane, and DE is drawn in the plane AB at right angles to AD their common feftion, DE is perpendicular to the third a.4.Def.n. plane ». in the fame manner, it may be proved...
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The Elements of Euclid: viz. the first six books, together with the eleventh ...

Euclid, Robert Simson - Euclid's Elements - 1806 - 518 pages
...plane BC with the third plane. And because the plane AB is perpendicular to the third plane, and DE is drawn in the plane AB at right angles to AD their common section, DE is perpendicular to the third a 4 def. plane a. In the same manner it may be 11. proved that Dt'...
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The Elements of Euclid: Viz. the First Six Books, Together with the Eleventh ...

Euclides - Geometry - 1816 - 528 pages
...plane BC with the third plane. And because the plane AB is perpendicular to the third plane, and DE is drawn in the plane AB at right angles to AD their common section, DE is perpen'4Def. 11. dicular to the third plane*. In the same manner, it may be proved, that DF is...
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A Popular Course of Pure and Mixed Mathematics ...: With Tables of ...

Peter Nicholson - Mathematics - 1825 - 372 pages
...plane BC with the third plane. Anil because the plane AB is perpendicular to the third plane, and DE is drawn in the plane AB at right angles to AD their common section, BE is perpemi ¡ciliar to the third plane. (4. det 11.) In the same manner, it may be proved that DF...
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The Elements of Euclid: Viz. the First Six Books, Together with the Eleventh ...

Euclid, John Davidson - Mathematics - 1835 - 513 pages
...with the third plane. And, be- , cause the plane AB is perpendicular to the third plane, and 1)1, is drawn in the plane AB at right angles to AD their common section, DE is perpendicular to the a 4. def. 11. third plane*. In the same manner, it may be proved, that DF...
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The Elements of Euclid: The Errors, by which Theon, Or Others, Have Long Ago ...

Euclid - Trigonometry - 1838 - 416 pages
...plane BC with the third plane. And because the plane AB is perpendicular to the third plane, and DE is drawn in the plane AB at right angles to AD their common section, DE is perpendicular to the third plane (4. def. 11.). In the same manner, it may be proved that DF...
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