 | Robert Simson - Trigonometry - 1762 - 488 pages
...to another as their bafes. Let the figures be placed fo as to have their bafes in the fame ftraight line ; and having drawn perpendiculars from the vertices of the triangles to the bafes, the ftraight line which joins the vertices is parallel to that in which their bafes arc f, becaufe... | |
 | Robert Simson - Trigonometry - 1775 - 534 pages
...one to another as their bafesLet the figures be placed fo as to have their bafes in the fame ftraight line ; and having drawn perpendiculars from the vertices of the triangles to the bafes, the ftraight line which joins the unices is parallel to that in which their bafes are f , becaufe... | |
 | Euclid - 1781 - 552 pages
...to another as their bafes. Let the figures be placed fo is to have their bafes in the fame ftraight line ; and having drawn perpendiculars from the vertices of the triangles to the bafes, the ftraight line which joins the vertices is parallel to that in which their bafes arer, becaufe... | |
 | Euclid, John Playfair - Euclid's Elements - 1795 - 462 pages
...another as their bafes. / \ Let the figure^ be placed fo as to have their, bafes in the fame ftraight line.; and having drawn perpendiculars from the vertices of the triangles to the bafes, the ftraight line which joins the vertices is parallel to that in which their bafes are f, f... | |
 | Robert Simson - Trigonometry - 1804 - 530 pages
...to another as their bales. Let the figures be placed fo as to have their bafes in the fame ftraight line; and having drawn perpendiculars from the vertices of the triangles to the bafes, the ilraight line which joins the vertices is parallel to that in which their bafes are f, becaufe... | |
 | Robert Simson - Trigonometry - 1806 - 546 pages
...plain, that triangles and parallelograms that have equal altitudes, are one to another as their bases. Let the figures be placed so as to have their bases...vertices is parallel to that in which their bases are ', because the f 33. 1. perpendiculars are both equal and parallel to one another: then, if the same... | |
 | John Playfair - Mathematics - 1806 - 320 pages
...COR. Triangles, and also parallelograms, that have equal altitudes, are to one another as their bases. Let the figures be placed so as to have their bases in the same straight line, and let perpendiculars be drawn from the vertices of the triangles to the bases ; the straight line which... | |
 | Euclid - Geometry - 1810 - 554 pages
...plain, that triangles and parallelograms that have equal altitudes, are one to another as their bases. Let the figures be placed so as to have their bases...vertices is parallel to that in which their bases aref, because the f 33.1. perpendiculars are both equal and parallel to one another: then, if the same... | |
 | Euclides - 1814 - 560 pages
...the parallelogram EC to the parallelogram CF. Where- * "• *• fore, triangles, &c. QED Let their figures be placed so as to have their bases in the...vertices is parallel to that in which their bases are f , because the perpendiculars are both equal and f S3. i. parallel to one another. Then, if the same... | |
 | Euclides - 1816 - 588 pages
...plain, that triangles and parallelograms that have equal altitudes are one to another as their bases. Let the figures be placed so as to have their bases...vertices of the triangles to the bases, the straight Jine which joins the vertices is parallel to that in which their bases aref, because the perpendiculars... | |
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From this it is plain, that triangles and parallelograms that have equal altitudes, are to one another as their bases. Let the figures be placed so as to have their bases in the same straight line; and having drawn perpendiculars from the vertices of... 
