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" A rhombus, is that which has all its sides equal, but its angles are not right angles. "
Elements of Geometry and Conic Sections - Page 11
by Elias Loomis - 1849 - 226 pages
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Euclid's Elements of Geometry: Chiefly from the Text of Dr. Simson, with ...

Robert Potts - Geometry - 1876 - 446 pages
...oblong is that which has all its angles right angles, but has not all its tides equal. xxxn. A rhombus has all its sides equal, but its angles are not right angles. xxxnt A rhomboid has its opposite sides equal to each other, but all it* *ides are not equal, nor its...
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Elements of geometry, based on Euclid, book i

Edward Atkins - 1877 - 72 pages
...angles. 31. An oblong is that which has all its angles right angles, but not all its sides equal. 32. A rhombus is that which has all its sides equal, but its angles are not right angles. 33. A rhomboid is that which has its opposite sides equal to one another, but all its sides are not...
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Euclid, book i., propositions i. to xxvi., with exercises and alternative ...

Euclides - 1877 - 58 pages
...all its angles right angles, but has not all its sides equal. 32. A rhombus is a four-sided figure which has all its sides equal, but its angles are not right angles. 33. A rhomboid is a four-sided figure which has its opposite sides equal to one another, but all its...
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Explanatory Mensuration

Alfred Hiley - 1879 - 228 pages
...OR THE RHOMBUS AND RHOMBOID. Definitions. — The rhombus (fig. 1) is a four-sided figure ABB Kg. 1. which has all its sides equal, but its angles are not right angles. The rhomboid (fig. 2) is a four- sided figure which has its opposite sides equal and parallel, but...
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Moffatt's pupil teachers' course (ed. by T. Page). Candidates, 2nd (-4th) year

Moffatt and Paige - 1879 - 426 pages
...oblong is that which has all its angles right angles, but has not all its sides equal. 32. A rhombus has all its sides equal, but its angles are not right angles. 33. A rhomboid has its opposite sides equal to each other, but all its sides are not equal, nor its...
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Euclid, books i. & ii., with notes, examples, and explanations, by a late ...

Euclides - 1879 - 146 pages
...An oblong is that which has all its angles right angles, but not all its sides equal. 32. A rhombus has all its sides equal, but its angles are not right angles. 33. A rhomboid has its opposite sides equal to one another, but all its sides are not equal, nor its...
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The Elements of Euclid for the Use of Schools and Colleges: With Notes, an ...

Isaac Todhunter - Euclid's Elements - 1880 - 426 pages
...angles : 31. An oblong is that which has all its angles right angles, but not all its sides equal : 32. A rhombus is that which has all its sides equal, but its angles are not right angles : 1 33. A rhomboid is that which has its opposite sides equal to one another, but all its sides are...
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The Practical Teacher, Volume 1, Issue 1

Education - 1882 - 676 pages
...centre) within the figure to the circumference are equal to one another. A rhombus is a four-sided figure which has all its sides equal, but its angles are not right angles. An axiom is a theorem, the truth of which is admitted without proof. Two magnitudes are said to be...
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Mensuration for beginners [With] Answers

William Dodds - 1883 - 202 pages
...yd. be 18s., find the width of the paper. THE RHOMBUS AND RHOMBOID. 57. A Rhombus is a parallelogram which has all its sides equal, but its angles are not right angles. Squara P a Bhombua If a square picture. frame, ABGD, be taken and wrested out of the perpendicular,...
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Geometry for schools, comprising books i. and ii. of Euclid, with some ...

Euclides - 1883 - 176 pages
...has not all its sides equal, but its angles are right angles. 26. A rhombus is a four-sided figure which has all its sides equal, but its angles are not right angles. 27. A rhomboid is a four-sided figure which has its opposite sides equal, but not all its sides equal,...
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