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" ... straight lines, and the other upon the other line : Thus the angle which is contained by the straight lines, AB, CB, is named the angle ABC, or CBA ; that which is contained by AB... "
A course of practical geometry for mechanics - Page 7
by William Pease - 1856
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The Elements of Euclid: The Errors, by which Theon, Or Others, Have Long Ago ...

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...
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The Elements of Euclid, Viz: The Errors, by which Theon, Or Others, Have ...

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...
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The First Six Books: Together with the Eleventh and Twelfth

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...
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Elements of Geometry;: Containing the First Six Books of Euclid, with Two ...

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...
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The Elements of Euclid: Viz. the First Six Books, with the Eleventh and ...

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...
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The Elements of Euclid: Also the Book of Euclid's Data ...cor. viz. The ...

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...
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Elements of Geometry;: Containing the First Six Books of Euclid, with a ...

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...
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The Elements of Euclid; viz. the first six books, together with the eleventh ...

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'...
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Elements of Geometry: Containing the First Six Books of Euclid: With a ...

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...
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A Popular Course of Pure and Mixed Mathematics ...: With Tables of ...

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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