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Bøker Bok 3140 av 160A 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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Elements of Geometry: Containing the First Six Books of Euclid, with a ...

John Playfair - 1833 - 333 sider
...sided figures, a square is that which has all its sides equal and all its angles right angles. XXVI. An oblong, is that which has all its angles right angles, but has not-all its sides equal. xxvir. A rhombus, is that which has all its sides equal, but its angles are...
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The first six books of the Elements of Euclid: with notes

Euclid, Thomas Elrington - 1833 - 183 sider
...quadrilateral figure, whose Fig. 1 '. opposite sides are parallel. 81. A square is a quadrilateral figure, which has all its sides equal, and all its angles right angles. 32. Rectilineal figures, which have more than four sides, are called polygons. POSTULATES, Let it be...
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The Elements of Euclid; viz. the first six books, together with the eleventh ...

Euclides - 1834
...obtuse angle. A A / \ XXIX. An acute-angled triangle is that which has three acute angles. / \ XXX. Of four-sided figures, a square is that which has...angles right angles, but has not all its sides equal. D XXXII. A rhombus is that which has all its sides equal, but its angles are not right angles. See...
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Inductive Geometry, Or, An Analysis of the Relations of Form and Magnitude ...

Charles Bonnycastle - 1834 - 631 sider
...equal, the fourth side will be equal to either of the others. A quadrilateral of this kind, namely, which has all its sides equal, and all its angles right angles, is called a square. Part I. art. 13. 69. 5. As these lines M and N appear, from the last remark, to...
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The Elements of Euclid: viz. the first six books, together with the eleventh ...

Euclid, Robert Simson - 1835 - 513 sider
...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 all its sides...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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The Elements of Euclid: viz. the first six books, together with the eleventh ...

Euclid, Robert Simson - 1835 - 513 sider
...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 all its sides...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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Elements of Geometry: Containing the First Six Books of Euclid, with a ...

John Playfair - 1835 - 316 sider
...is that which has all its sides equal and all its angles right angles. 25. An oblong, or rectangle, is that which has all its angles right angles, but has not all its sides equal. 26. A lozenge, or rhombus, is that which has all its sides equal, but its angles are not right angles....
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Library of Useful Knowledge: Geometry, plane, solid, and spherical [by ...

1835
...that, of all spherical polygons having the same number of sides and the same perimeter, the greatest is that which has all its sides equal and all its angles equal. For if a spherical polygon ABODE have not all its sides equal, and AB, AE be two adjoining sides...
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The Teacher's Assistant in the "Course of Mathematics Adapted to the Method ...

1836 - 472 sider
...obtuse angle. 24. An acute angled triangle, is that which has three acute angles. 25. Of four 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 all its sides equal. 27....
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A System of Popular Geometry: Containing in a Few Lessons So Much of the ...

George Darley - 1836 - 128 sider
...or both of the sides AD, CD. NOTE N. The common definition of a square is—" a four-sided figure, which has all its sides equal, and all its angles right angles." But this definition is in part superfluous; for if but one of the angles be a right angle, it will...
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