 BAG is a right angle (Def. 30.), the two straight lines AC, AG upon the opposite sides of AB, make with it at the point A the adjacent angles equal to two right angles; therefore CA is in the same straight line (i.  Elements of Geometry with Notes - Page 196by John Radford Young - 1833 - 216 pagesFull view - About this book
 | Robert Simson - Trigonometry - 1835 - 544 pages
...adja-" cent angles equal to two' right angles; therefore CA is in the same straight line d with AG ; for the same reason, AB and AH are in the same straight...right angle, add to each the angle ABC, and the whole D e 2. Ax. angle DBA is equal e to the whole FBC ; and because the two sides AB, BD are equal to the... | |
 | Euclid - 1835 - 540 pages
...adja-" cent angles equal to two' right angles; therefore CA is in the same straight line d with AG ; for the same reason, AB and AH are in the same straight...right angle, add to each the angle ABC, and the whole c 2. Ax. angle DBA is equal e to the whole FBC ; and because the two sides AB, BD are equal to the... | |
 | John Playfair - Geometry - 1836 - 148 pages
...adjacent angle* equal to two right angles ; therefore AC is in the same straight linv (2. 1.) with AG : for the same reason, AB and AH are in the same straight Hue ; and because the angle DBC is equal to the angle FBA, each of them being a right angle (Def. 5.... | |
 | Andrew Bell - Euclid's Elements - 1837 - 290 pages
...is a right angle (Def. 29), the two straight lines AC, AG, are in the same straight line (I. 14) ; for the same reason, AB and AH are in the same straight line ; and because the angle DEC is equal to the angle FBA, each of them being a right angle, add to each the angle ABC, and the... | |
 | John Playfair - Euclid's Elements - 1837 - 332 pages
...1.) with AG ; for the same reason, AB and AH are in the same straight line. Now because the angle DEC is equal to the angle FBA, each of them being a right angle, adding to each the angle ABC, the whole angle DBA will be equal (2. Ax.) to the whole FBC ; and because... | |
 | Euclid, James Thomson - Geometry - 1837 - 410 pages
...adjacent angles equal to two right angles ; therefore CA is in the same straight line (I. 14.) with AG. For the same reason, AB and AH are in the same straight line. Again, because the angle DBC is equal to FBA, each of them being a right angle, add to each the angle... | |
 | Robert Simson - Geometry - 1838 - 434 pages
...adjacent angles equal to two right angles : I therefore CA is in the same straight line (14. 1.) with AG: for the same reason, AB and AH are in the same straight...each the angle ABC, and the whole angle DBA is equal (2. Ax.) to the whole FBC : and because the two sides AB, BD are equal to the two DLE FB, BC, each... | |
 | Euclides - 1838 - 264 pages
...angles equal to two right angles; therefore CA is in the same straight »M , line* with AG : for a like reason, AB and AH are in the same straight line. And because the angle DBC tn. AT. U equalt to the angle FBA, tso Def. each of them being a rightf angle, add to each the angle... | |
 | Euclides - Geometry - 1841 - 378 pages
...the adjacent angles equal to two right angles; therefore CA is in the same straight line* with AG; for the same reason, AB and AH are in the same straight...equal to the angle FBA, each of them being a right * 30 Dcf. angle, add to each of these equals the angle ABC, therefore the whole angle DBA is equal*... | |
 | Euclides - 1842 - 316 pages
...adjacent angles equal to two right angles ; therefore CA is in the same straight line (14. 1.) with AG; for the same reason, AB and AH are in the same straight...of them being a right angle, add to each the angle AB c ; the whole angleDB Aisequal(2. Ax.) to the whole FBC; and because the two sides AB, BD are equal... | |
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