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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 ... - Side 4
av Euclid, James Thomson - 1837 - 390 sider
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The text of Euclid's geometry, book 1, uniformly and systematically arranged ...

Euclides - 1884
...angles right angles, but has not all its sides equal. XXXII. Of four-sided figures, a rhombus is that which has all its sides equal, but its angles are not right angles. XXXIII. Of four-sided-figures, a rhomboid is that which has its opposite sides equal to each other,...
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The Weston school manual

Colin Arrott R. Browning - 1884
...its sides equal. Area of rectangle = length x breadth, and . • . the breadth length' (8) A Rhombus has all its sides equal, but its angles are not right angles. (9) A Rhomboid has its opposite sides equal to each other, but all its sides are not equal, nor its...
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The Harpur Euclid: An Edition of Euclid's Elements

Edward Mann Langley, W. Seys Phillips - 1890 - 515 sider
...that which has all its angles right angles, but has not all its sides equai. 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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Practical Plane and Solid Geometry, Including Graphic Arithmetic

Isaac Hammond Morris - 1890 - 260 sider
...rectangle or oblong has its opposite sides equal and all its angles right angles. Fig. 23. 28. A rhombus has all its sides equal, but its angles are not right angles. Fig. 24. 29. A rhomboid has its opposite sides equal, but its angles are not right angles. Fig. 25....
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The Elements of Euclid: Viz. the First Six Books, Together with the Eleventh ...

Euclid - 1892 - 518 sider
...lias all its sides equal and one angle a right angle, then all its angles will be right angles.] 29. A rhombus is a four.sided figure which has all its sides equal, but its angles are not right angles. 30. A trapezium is a four.sided figure which has two of its sides parallel. ON THE POSTULATES. In order...
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Science and Art Drawing: Complete Geometrical Course ; Consisting of Plane ...

John Humphrey Spanton - 1895 - 582 sider
...rectangle or oblong has only its opposite sides equal, but has four equal angles (Fig. 18). A rhombus has all its sides equal, but its angles are not right angles (Fig. 19). Fig. 19. Fig. 20. A rhomboid has only its opposite sides equal, and its angles are not right...
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The Principles of Ornament

James Ward - 1896 - 207 sider
...(Fig. 5.) A Parallelogram is a four-sided figure which has its opposite sides parallel. (Fig. 6.) * A Rhombus is a four-sided figure which has all its sides equal, but its angles are not right angles. (Fig.;.) A Lozenge is a square set angle-wise. (Fig. 8.) FIG. : FIG 3 FIG. 5 FII; 7 FIG. 2 FIG. 4 FIG....
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A Text-book of Euclid's Elements for the Use of Schools, Books I.-IV., Bok 1

Henry Sinclair Hall, Frederick Haller Stevens - 1900 - 304 sider
...obIong is a four.sided figure which has all its angle right angles, but 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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A Text-book of Euclid's Elements for the Use of Schools, Bok 1

Euclid - 1904 - 456 sider
...oblong is a four-sided figure which has all its angles right angles, but 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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Practical Mechanical Drawing and Machine Design, Self Taught ...

Charles Westinghouse - 1906 - 157 sider
...Fig. 41. Fig. 42. right angles, but only its opposite sides equal as in Fig. 42. A rhombus is that which has all its sides equal, but its angles are not right angles as in Fig. 43. A quadrilateral figure which has its opposite sides parallel is called a parallelogram...
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