| Robert Simson - Trigonometry - 1762 - 488 pages
...the ftraight lines AB, CB is named the angle ABC, ' or CB A ; that which is contained by AB, T>B is **named the angle ' ABD, or DBA ; and that which is contained by DB, CB is called ' the angle** DBC, or CBD. but if there be only one angle at a point, ' it may be exprefled by a letter placed at... | |
| Robert Simson - Trigonometry - 1775 - 534 pages
...« the ftraight lines AB, CB is named the angle ABC, or CBA ; * that which is contained by AB, DB is **named the angle « ABD, or DBA ; and that which is contained by DB, CB is * called the angle** DBC,or CBD; but, if there be only one angle * at a point, it may be exprefled by a letter placed at... | |
| Euclid - 1781 - 552 pages
...the ftraight lines A 13, CB is named the angale ABC, or CBA ; that which is contained by AB, DB is **named the angle ABD, or DBA ; and that which is contained by DB, CB is called the angle** DBC, or CBD ; but, if there be only one angle at a point, it may be exprefled by a 'letter placed at... | |
| Euclid, John Playfair - Euclid's Elements - 1795 - 462 pages
...is ' named the angle ABD, or DBA ; and that which is coni tained by BD, CB is caUed the angle DBC, **or CBD ; but, ' if there be only one angle at a point, it** ma^ be exprefled ' by a letter placed at that point ; as the angle at E.' VII. •/ f * When a ftraight... | |
| Alexander Ingram - Trigonometry - 1799 - 374 pages
...' the ftraight lines AB, CB is named the angle ABC, or CBA; * that which is contained by AB, DB is **named the angle ABD, ' or DBA ; and that which is contained by DB, CB is called ' the angle** DBC, or CBD ; but, if there be only one angle at ' a point, it may be exprefled by a letter placed... | |
| Robert Simson - Trigonometry - 1804 - 530 pages
...ftraight lines AB, CB is « named the angle ABC, or CBA ; that which is contained by . « AB, DB is **named the angle ABD, or DBA; and that which is • contained by DB, CB is called the angle** DBC, or CBD. but « if there be only one angle at a point, it may be exprefled by a « letter placed... | |
| John Playfair, Euclid - Circle-squaring - 1804 - 468 pages
...by the ftraight lines AB, CB, is named the angle ABC, or CBA ; that which is contained by AB, BD is. **named the angle ABD, or DBA ; and that which is contained by** BD, CB is called the an^le DBC, or CBD ; but, if there be only one angle at a point, it may be expreffejl... | |
| Euclides - 1814 - 560 pages
...by the straight lines AB, CB, is named the angle ABC, or CBA; that which is contained by AB, BD, is **named the angle ABD, or DBA; and that which is contained by** BD, CB, is called the angle DBC, or CBD; ' but, if there be only one angle at a point, it may be ex'... | |
| John Playfair - 1819 - 354 pages
...by the straight lines AB, CB, is named the angle ABC, or" CBA ; that which is contained by AB, BD is **named the angle ABD, or DBA ; and that which is contained by** BD, CB is called the angle DBC, or CBD ; but, if there be only one angle at a point, it may be expressed... | |
| Peter Nicholson - Mathematics - 1825 - 1046 pages
...by the straight lines AB, CB, is named the angle ABC, or CBA } that which is contained by AB, BD, is **named the angle ABD, or DBA ; and that which is contained by DB. CB, is called the angle** DBC, o. CBD j but if thtie be only one angle at a point, it may be expressed by a letter placed at... | |
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