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" AB>AC-BC: that is, the difference of any two sides of a triangle is less than the third side. "
A Course of Mathematics: For the Use of Academies, as Well as Private Tuition - Page 257
by Charles Hutton - 1818
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Elements of Geometry, Geometrical Analysis, and Plane Trigonometry ...

Sir John Leslie - Geometry, Analytic - 1809 - 524 pages
...sides AB and BC are together greater than the third AC. PROP. XVII. THEOR. The- difference between two sides of a triangle is less than the third side. Let the side AC be greater than AB, and from it cut off a part AE equal to AB ; the remainder EC is less...
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A Course of Mathematics ...: Composed for the Use of the Royal Military ...

Charles Hutton - Mathematics - 1811
...distance between two points, is a single right line drawn from the one point to the other. THEOREM XI. THE Difference of any Two Sides of a Triangle, is...two sides, as AB — AC, be less than the third side BC. For, produce the less side AC to D, till AD be equal to the greater side AB, so that CD may be...
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Elements of Geometry, and Plane Trigonometry: With an Appendix, and Very ...

Sir John Leslie - Geometry, Plane - 1820 - 482 pages
...sides AB and BC are together greater than the third side AC. PROP. XV. THEOR. The difference between any two sides of a triangle is less than the third side. • Let the side AC be greater than AB, and from it cut off a part AE equal to AB ; the remainder EC is less...
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A Course of Mathematics: For the Use of Academies, as Well as Private ...

Charles Hutton - Mathematics - 1822 - 618 pages
...it, must necessarily be greater, o.. ED THEOREM X. THE Sum of any Two Sides of a Triangle is Greater than the Third Side. Let ABC be a triangle ; then will the . lum of .ny two of its side* be greater than the third side, as for instances, AC -J-cB greater than...
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Dictionary of the Mathematical and Physical Sciences, According to the ...

James Mitchell - Mathematics - 1823 - 576 pages
...limitation arises from a known geometrical problem, though it is not found in Muclid's " Elements;" viz. "The difference of any two sides of a triangle is less than the third side." PROS. 4. Giving the hypothenuse of aright-angled triangle, and the side of its inscribed square, to...
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The New Practical Builder and Workman's Companion, Containing a Full Display ...

Peter Nicholson - Architecture - 1823 - 210 pages
...KL, FL, FQ. Then, by hypothesis, the angle KML=fML, KM=/M, and LM is common, the base LK is =Li/; but the difference of any two sides of a triangle is less than the third ;* therefore FL — LK, or FL - L/, is less than FK, or F/, or FM -/M, or FQ -/Q. Hence/L is greater...
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Euclid's Elements of geometry, transl. To which are added, algebraic ...

Euclides - 1826 - 226 pages
...and the sides вс, CA, greater than AB. Therefore two sides of every triangle, &c. Deductions. 1. The difference of any two sides of a triangle is less than the third side. 2. Two sides of a triangle are together greater than twice the line from the vertex bisecting the base....
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Elements of Arithmetic, Algebra, and Geometry

George Lees - 1826 - 266 pages
...is less than the more remote ; there can be two equal lines, but there cannot be more than two. 5. The difference of any two sides of a triangle is less than the third side. 6. If, from the vertex of a triangle, two straight lines be drawn, one of which is perpendicular to...
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Elements of Geometry, Containing the First Six Books of Euclid

Euclid - 1826 - 236 pages
...and the sides вс, CA, greater than AB. Therefore two sides of every triangle, &c. Deductions. 1 . The difference of any two sides of a triangle is less than the third side. 2. Two sides of a triangle are together greater thaa twice the line from the vertex bisecting the base....
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The First Six Books of the Elements of Euclid, with a Commentary and ...

Euclid, Dionysius Lardner - Euclid's Elements - 1828 - 544 pages
...should be adopted as a geometrical axiom (55). (99) It follows immediately from this proposition, that the difference of any two sides of a triangle is less than the remaining side. For the sides AC and BC together are greater than AB ; let the side AC be taken from...
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