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Bøker Bok 91100 av 162A rhomboid, is that which has its opposite sides equal to one another, but all its...
" A rhomboid, is that which has its opposite sides equal to one another, but all its sides are not equal, nor its angles right angles. "
The Elements of Euclid: Viz. the First Six Books, Together with the Eleventh ... - Side 2
av Euclides - 1816 - 528 sider
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A Treatise on Arithmetic: Through which the Entire Science Can be Most ...

Noble Heath - 1856 - 455 sider
...having all its angles right angles, hut only its opposite sides equal. 107. The Pythagorean Table, which has all its sides equal, and all its angles right angles, is a square. As the divisions of its sides are also equal, suppose each to he 1 inch long : then, as...
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Elements of mental philosophy: embracing the two departments of the ..., Volum 1

Thomas Cogswell Upham - 1857
...brought out by a successive comparison of propositions. We say, for instance, that a square is a figure, which has all its sides equal, and all its angles right angles. In this definition there is not only involved equality of sides, but equality of angles. And it is...
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Gradations in Euclid : books i. and ii., with an explanatory preface [&c ...

Euclides - 1858
...equal to two rt. angles. Ax. 3. If equals be taken from equals, the remainders are equal. Def. 30. Of four-sided figures a square is that which has all its sides equal, and all its angles rt. angles. B Given the st. line A 15 ; it is required to draw a square on AB. From A draw AC at rt.angles...
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The Train

1858
...with'all his 'cuteness, has cut his own fingers repeatedly, and will to the end of the chapter. xxv. Of four-sided figures, a square is that which has all its sides equal, and 234 THE TBA1X. all its angles ri^ht angles. No nearer approach to a regular square in character, has...
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The mechanic's, machinist's, and engineer's practical book of reference

Charles Haslett - 1859 - 517 sider
...cubic feet, inches, <fec. mensuration of Superficies. Rectangle. ! A SQUARE is a quadrilateral figure, which has all its sides equal, and all its angles right angles. A RECTANGLE is a four-sided figure, which has its angles, right angles, and its opposite sides parallel....
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Euclid's Elements of Geometry: Chiefly from the Text of Dr. Simson, with ...

Robert Potts - 1860 - 361 sider
...triangle is that which has three acute angles. XXX. Of quadrilateral or four-sided figures, a square has all its sides equal and all its angles right angles....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...
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Euclid's Elements of plane geometry [book 1-6] explicitly enunciated, by J ...

Euclides - 1860
...sides are respectively equal, they are said to be equilateral. 40. A square is a four-sided figure which has all its sides equal, and all its angles right angles, as S. 41. An oblong or rectangle is a four-sided figure which has all its angles right angles, but...
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Commercial class book

Alfred Newsom Niblett - 1861
...parallel and equal. and admits of four varieties, viz: 1. The SQUARE. A square is a quadrilateral figure, which has all its sides equal, and all its angles right angles. N R.-A right angle is formed by two straight lines which are perpen. dicular to each other. An oblong...
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The school Euclid: comprising the first four books, by A.K. Isbister

Euclides - 1862
...which has an obtuse angle. XXIX. An acute-angled triangle, is that which has three acute angles. XXX. Of four-sided figures, a square is that which has...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...
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Euclid's Elements of geometry, books i. ii. iii. iv

Euclides - 1862
...that which has an obtuse angle. 29. An acute-angled triangle is that which has three acute angles. 30. Of four-sided figures, a square is that which has...its sides equal, and all its angles right angles. 31. An oblong is that which has all its angles right angles, but not all its sides equal. 32. A rhombus...
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