 Note. (3. 11.) line; let this be BF: therefore the three straight lines AB, BC, BF are all in one plane, viz. that which passes through AB, BC : and because AB stands at right angles to each of the straight lines BD, BE, it is also at right angles (4....  An elementary course of mathematics - Σελίδα 9των Samuel Hunter Christie - 1847Πλήρης προβολή - Σχετικά με αυτό το βιβλίο
 | Robert Simson - 1781 - 534 σελίδες
...r.' i D*f ii, b. 4. n. A 15ook XI. ftraight • line; let this be BF. therefore the three ftraight lines AB, BC, BF are all in one plane, viz. that which paftes thro' AB, BC. and becaufe ABftands at right angles to each of the ftraight lmes BD, BE, it is... | |
 | Euclid - 1781 - 552 σελίδες
...are, 83.11. Book xL are, fhall be a ftraight » line ; let this be BF : Therefore the three ftraight lines AB, BC, BF are all in one plane, viz. that which paffes through AB, BC ; and becaufe AB (lands at right angles to each of the ftraight lines BD, BE,... | |
 | Euclid, John Playfair - 1795 - 462 σελίδες
...in which BD and BE are, fliall be a ftraight » line ; let this be BF : therefore the three ftraight lines AB, BC, BF are all in one plane, viz. that which pafies through AB, BC ; and beeaufe AJB ftands at right angles to each of the ftraight lines BD, BE,... | |
 | Robert Simson - 1806 - 546 σελίδες
...the common section of which with the plane, in which BD and BE are, Book XI. shall be a straight » line ; let this be BF : therefore the three ' —...lines AB, BC, BF are all in one plane, viz. that which a 3. 11. • passes through AB, BC ; and because AB stands at right angles to each of the straight... | |
 | John Playfair - 1806 - 320 σελίδες
...2. Sup. therefore the three straight lines AB, BC, BF are in one plane, which passes through AB, BC. Because AB stands at right angles to each of the straight lines BD, BE, it is also at right angles'1 b*. 2. Sup. to the plane passing through them, and therefore makes right angles with every... | |
 | Euclid - 1810 - 554 σελίδες
...with the plane, in which BD and BE are a 3. 11. b. 4.11. c 3. df. II. Rook XI. sliall be a straight» line; let this be BF: therefore the three straight...which passes through AB, BC; and because AB stands gt right angles to each of the straight lines BD, BE, it is also at right angles b to the plane passing... | |
 | Euclides - 1814 - 560 σελίδες
...the plane in which BD O '8. i. Booi XI. and BE are, shall be a straight* ' line; let this be BF: *~v^ Therefore the three straight lines AB, BC, BF, are...AB stands at right angles to each of the straight '4 Def. 1i. ing through them ; and therefore makes right angles c with b 4.1i. lines BD, BE, it is... | |
 | Euclides - 1816 - 588 σελίδες
...BC, . tfec common section of which, with the plane in which BD O and BE are, shall be a straight a line ; let this be BF : Therefore the three straight...AB stands at right angles to each of the straight k 4. 11. lines BD, BE, it is also at right angles'* to the plane pas«: s Def. 11. ing through them... | |
 | John Playfair - 1819 - 350 σελίδες
...the common section of which with the plane, in which BD and BE are, shall be a straight (3. 2. Sup.) line ; let this be BF : therefore the three straight...straight lines BD, BE, it is also at right angles (4. 2. Sup.) to the plane passing through them ; and therefore makes right angles with every straight... | |
 | Euclid, Robert Simson - 1821 - 514 σελίδες
...section of which with the plane, in which BD and BE are, •Be* Note. shall be a straight (3. 11.) line; let this be BF: therefore the three straight lines AB, BC, BFare all in one plane, viz. that which passes through AB, BC: and because AB stands at right angles... | |
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