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Bøker Bok 8190 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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The Elements of Euclid, books i-vi; xi. 1-21; xii. 1,2; ed. by H.J. Hose

Euclides - 1853
...of the three angles of which is an acute angle. XXX. A square is defined to be a four- sided figure which has all its sides equal and all its angles right angles. XXXI. An oblong is a four- sided figure which has all its angles right angles, but has not all its sides equal. XXXII....
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The Elements of Euclid: With Many Additional Propositions ..., Del 1

Euclid - 1853 - 136 sider
...the line AB. SCHOLIUM. The definition of a square, as given by Euclid, viz. " a four-sided figure, which has all its sides equal, and all its angles right angles" is more than sufficient, and really involves a theorem. It is only necessary to state (d) Constr. (e)...
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Orr's Circle of the Sciences: The mathematical sciences

William Somerville Orr - 1854
...than a right angle. An acute-angled triangle has each of its angles acute, or less than a right angle. Of four-sided figures, a square is that which has...its sides equal, and all its angles right angles. If the four sides are equal, and only one of the angles affirmed to be right, the other three angles...
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Elements of geometry and mensuration

Thomas Lund - 1854 - 362 sider
...notions and principles. For example, in the former Part a square was defined to be "a parallelogram, which has all its sides equal and all its angles right angles"; in this Part such a construction is required to be actually made under certain given circumstances....
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The Elements of geometry; or, The first six books, with the eleventh and ...

Euclides - 1855
...two preceding species of triangles have each two acute angles, as will be shown in the sequel. XXX. Of four-sided figures, a square is that which has...its sides equal, and all its angles right angles. This definition is redundant. If the general definition annexed to the 34th Prop, of this book be considered,...
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Elements of Geometry: Containing the First Six Books of Euclid with a ...

John Playfair - 1855 - 318 sider
...sided figures, a square is that which has all its sides equal and all its angles right angles. 26. An oblong is that which has all its angles right angles, but has not a]] its sides equal. 27. A rhombus is that which has all its sides equal, but its angles are not right...
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A Treatise on Arithmetic ...

Noble Heath - 1855 - 455 sider
...having all its angles right angles, hut only its opposite sides equal. 107. The Pythagorean Tahle, 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 be 1 inch long : then, as...
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Mensuration of lines, areas, surfaces, and volumes

Robert Rawson - 1856
...which has an obtuse angle. . An acute-angled triangle is that which has three acute s\ angles. " 7\ Of four-sided figures, a square is that which has...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....
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the mechanics, machinists, and engineer's practical book of reference

charles haslett - 1856
...inches, <fcc, | Mensuration of Superficies. Square. Rectangle. :B 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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The mechanic's, machinist's, and engineer's practical book of reference ...

Charles Haslett - 1855
...cubic feet, inches, <iu. 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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