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" A rhombus is that which has all its sides equal, but its angles are not right angles. "
The First Six and the Eleventh and Twelfth Books of Euclid's Elements: With ... - Page 4
by Euclid, James Thomson - 1837 - 390 pages
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The first six books of the Elements of Euclid, with numerous exercises

Euclides - Geometry - 1853 - 176 pages
...that which has all its angles right angles, but has not all its sides equal. XXXII. A rhombus is that which has all its sides equal, but its angles are not right angles. Rhombus. Rhomboid. XXXIII. A rhomboid is that which has its opposite sides equal to. one another, but...
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The synoptical Euclid; being the first four books of Euclid's Elements of ...

Euclides - 1853 - 146 pages
...that which has all its angles right angles, but has not all its sides equal. XXXII. A rhombus is that which has all its sides equal, but its angles are not right angles. XXXIII. A rhomboid is that which has its opposite sides equal to one another, but all its sides are...
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Orr's Circle of the Sciences: Organic nature, vols. 1-3 (1854-1856)

William Somerville Orr - Science - 1854 - 534 pages
...which has all its four angles right angles, whether its sides Ьз equal or not. A rhombus is that which has all its sides equal, but its angles are not right angles. A rhomboid is that which has its opposite sides equal to one another, but all its sides are not equal,...
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The Elements of geometry; or, The first six books, with the eleventh and ...

Euclides - 1855 - 270 pages
...that which has one angle a right angle, and the Eides which contain it equal. XXXII. A rhombus is that which has all its sides equal, but its angles are not right angles. This is also redundant ; for a rhombus is that which has one angle oblique, and the sides which contain...
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Mensuration of Lines, Areas, Surfaces, and Volumes ...

Robert Rawson - 1856 - 178 pages
...that which has all its angles right angles, but has not all its sides equal. xxxn. A rhombus is that which has all its sides equal, but its angles are not right angles. XXXIII. A rhomboid is that which has its opposite sides / 7 equal to one another, but all its sides...
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Elements of Geometry and Conic Sections

Elias Loomis - Conic sections - 1858 - 256 pages
...has all its angles right ,r angles, but all its sides are not necessarily equal. A rhombus is that which has all its sides equal, but its angles are not right angles. A parallelogram is that which has its opposite sides parallel. A trapezoid is that which has only two...
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Gradations in Euclid : books i. and ii., with an explanatory preface [&c ...

Euclides - 1858 - 248 pages
...but not all its sides equal ; as B. The oblong is the same as the rectangle of Book II. 32. A rhombus has all its sides equal, but its angles are not right angles ; as C. 33. A rhomboid has its opposite sides equal to each other, but all its sides are not equal,...
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Euclid's Elements of plane geometry [book 1-6] explicitly enunciated, by J ...

Euclides - 1860 - 288 pages
...all its angles right angles, but has not all its sides equal, as R. 42. A rhombus is a quadrilateral which has all its sides equal, but its angles are not right angles, as B. 43. A parallelogram is a quadrilateral, of which the opposite sides are parallel, as P. 44. A...
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Euclid's Elements of Geometry: Chiefly from the Text of Dr. Simson, with ...

Robert Potts - Geometry, Plane - 1860 - 380 pages
...oblong is that which has all its angles right angles, but has not all its sides equal. XXXH. A rhombus has all its sides equal, but its angles are not right angles. xxxm. A rhomboid has its opposite sides equal to each other, but all it* Bides are not equal, nor its...
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A handbook of practical gauging

Janes Boddely Keene - 1861 - 104 pages
...of these, 34. A Square has all its sides equal, and its angles right angles. Fig. 11. 35. A Rhombus has all its sides equal, but its angles are not right angles. Fig. 12. 36. A Rectangle, or Oblong, has only its opposite sides equal, and all its angles right angles....
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