 | Euclid - Euclid's Elements - 1751 - 420 pages
...** B -i PROP. .PROP. XXXVII. Plate I. Fig. 38. Triangle?, BCA, BCD, ftanding upon the fame bafe EC, and between the fame parallels BC, EF, are equal the one to the other, a*!! (^ Draw BE parallel to CA, (a} and CF parallel i/ ' * to BD. Then is the triangle BCA (7>) = half Pgr.... | |
 | Robert Simson - Trigonometry - 1762 - 488 pages
...of the flares EBCA, DBCF is a parallelogram; and EBCA is equal b to b. jj <. DBCF, becaufe they are upon the fame bafe BC, and between the fame parallels BC, EF ; and the triangle ABC is the half of the paC rallelograra EAD a. }1. Book I. ralfelogram EBCA, becaufe... | |
 | John Keill - Geometry - 1772 - 462 pages
...Parallelograms ; and the Parallelogram EBCA is * equal to* 35 »/'*". the Parallelogram DBCF ; for they ftand upon the fame Bafe BC, and between the fame Parallels BC, EF. But the Triangle ABC is f one half of the Pa- f 34 ./'*/,. rallelogram EBCA, becaufe theDiameter AB... | |
 | Euclid, James Williamson - Euclid's Elements - 1781 - 324 pages
...DBCF is (by conft. andfup.) a parallelogram : and EBCA is equal (by prop. 35.) to DBCF for they are upon the fame bafe BC and between the fame parallels BC, EF: and the triangle ABC is half of the parallelogram EBCA (by prop. 34.), for the diameter AB cuts it... | |
 | John Keill - Geometry - 1782 - 476 pages
...grams ; and the Parallelogram E BC A is * equal to» 35 ofit'u, the Parallelogram DBCF ; for they ftand upon the fame Bafe BC, and between the fame Parallels BC, EF. But the Triangle A BC is f one half of theParal- 1 ^,ftk'u. lelogram, EBCA, becaufe the Diameter AB... | |
 | Euclid, John Playfair - Euclid's Elements - 1795 - 462 pages
...the figures * 35- i- EBCA, DBCF is a parallelogram ; and EBCA is equal b to DBCF, becaufe they are upon the fame bafe BC, and between the fame parallels BC, EF ; and the triangle ABC is the half of the parallelogram EBCA, becaufe the diameter AB bifefts c it... | |
 | Alexander Ingram - Trigonometry - 1799 - 374 pages
...the fame reafon, DBCF is a parallelogram : and EBCA is b 35- l• equal b to DBCF, becaufe they are upon the fame bafe BC, and . between the fame parallels BC, EF ; and the triangle ABC is the half of the parallelogram EBCA, becaufe the diameter AB c 34- 1• bifeds... | |
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DBCF, becaufe they are upon the fame bafe BC, and between the fame parallels BC, EF ; and the triangle ABC is the half of the parallelogram EBCA... 