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Llibres Llibres 41 - 50 de 112 sobre ... angles is called a right angle ; and the straight line which stands on the other....
" ... angles is called a right angle ; and the straight line which stands on the other is called a perpendicular to it. 11. An obtuse angle is that which is greater than a right angle. 12. An acute angle is that which is less than a right angle. 13. A term... "
Elements of Geometry: Containing the First Six Books of Euclid with a ... - Pągina 9
per John Playfair - 1855 - 318 pągines
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The definitions, postulates, axioms, and enunciations of the propositions of ...

Euclides - 1848
...called a perpendicular to it. XI. An obtuse angle is that which is greater than a right angle. XII. An acute angle is that which is less than a right angle. XIII. XIV. A figure is that which is inclosed by one or more boundaries. XV. A circle is a plane figure...
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The first three books of Euclid's Elements of geometry, with theorems and ...

Euclides - 1849
...called a perpendicular — to it. XI. An obtuse angle is that which is greater than a right angle. XII. An acute angle is that which is less than a right angle. xin. " A term or boundary is the extremity of any thing." XIV. A figure is that which is inclosed by...
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A Manual of Surveying for India, Detailing the Mode of Operations on the ...

Sir Henry Edward Landor Thuillier - 1851 - 718 pągines
...CBD, but if there be only one angle at a point it may be expressed by a letter placed at that point. A figure is that which is enclosed by one or more boundaries. The space contained within a figure is called the Area of the figure. A plane triangle is a figure bounded...
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Penny Cyclopaedia of the Society for the Diffusion of Useful ..., Volum 1

1851
...determining the angle. A right angle is half the opening of a straight line and its continuation ; an acute angle is that which is less than a right angle ; an obtuse angle is that which lies between one and two right angles. Complemental angles are two...
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An Epitome of Navigation and Nautical Astronomy, with Improved Lunar Tables ...

Janet Taylor - 1851 - 621 pągines
...angles CAD, CAB, equal to one another, each being a right angle containing 90° or 8 points. GEOMETRY. An acute angle is that which is less than a right angle, or 90°, as BAC. An obtuse angle is that which is greater than a right angle, as FDE. Rectilinear figures...
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An elementary course of practical mathematics

James Elliot - 1851
...22. The angle on either side of the perpendicular is called a Right Angle, as NOL, or NOM, or F. 23. An Acute Angle is that which is less than a right angle, as G. 24. An Obtuse Angle is greater than a right angle, as H. 25. An Oblique Angle is any one that...
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The first two books of the Elements of Euclid, with additional figures ...

Euclides - 1852
...in other words, equal to it.] XL An obtuse angle is that which is greater than a right angle. XII. An acute angle is that which is less than a right angle. XIII. " A term or boundary is the extremity of any thing." XIV. A figure is that which is inclosed...
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The first six books of the Elements of Euclid, with numerous exercises

Euclides - 1853 - 147 pągines
...called a perpendicular toit. XI. An obtuse angle is that which is greater than a right angle. XII. An acute angle is that which is less than a right angle. Obtuse. XIII. A term or boundary is the extremity of any thing. XIV. A figure is that which is enclosed...
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The synoptical Euclid; being the first four books of Euclid's Elements of ...

Euclides - 1853
...called a perpendicular to it. XI. An obtuse angle is that which is greater than a right angle. XII. An acute angle is that which is less than a right angle. XIII. "A term or boundary is the extremity of any thing." xrv. A figure is that which is inclosed by...
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The geometry, by T. S. Davies. Conic sections, by Stephen Fenwick

Royal Military Academy, Woolwich, Thomas Stephens Davies, Stephen Fenwick, William Rutherford - 1853
...called a perpendicular to it. 11. An obtuse angle is that \vhich is greater than a right angle. 12. An acute angle is that which is less than a right angle. 13. A term or boundary is the extremity of anything. 14. A figure is that which is enclosed by one...
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