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" A rhombus is that which has all its sides equal, but its angles are not right angles. "
The First Six Books with Notes - Página 3
por Euclid - 1822 - 179 páginas
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Elements of geometry, based on Euclid, books i-iii

Edward Atkins - 1876 - 119 páginas
...acute-angled triangle is that which has three acute angles. 30. Of four-sided figures, a square is that which has all 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. / 7 32. A...
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A graduated course of problems in practical plane and solid geometry

James Martin (of the Wedgwood inst, Burslem.) - 1876
...— viz., the square, the rectangle, the rhombus, and th* rhomboid. 3. A square is a parallelogram which has all its sides equal, and all its angles right angles. Ex. ABCD. 4. A rectangle is a parallelogram which has only its opposite sides equal, but all its angles...
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Elements of geometry, based on Euclid, book i

Edward Atkins - 1877
...acute-angled triangle is that which Las three acute angles. 30. Of four-sided figures, a square is that which has all 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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Moffatt's scholarship answers, by T.J. Livesey (T. Page).

Moffatt and Paige - 1879
...passing through the centre, and terminated both ways by the circumference. (6) A sqnare is a four-sided figure, which has all its sides equal, and all its angles right angles (or, better, "one of its angles a right angle"). (c) The following are all the cases in the 1st Book:—...
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Moffatt's pupil teachers' course (ed. by T. Page). Candidates, 2nd (-4th) year

Moffatt and Paige - 1879
...is that which has three acute angles. 30. Of quadrilateral or four-sided figures, a square is that which has all its sides equal and all its angles right angles. 31. An oblong is that which has all its angles right angles, but has not all its sides equal. 32. A...
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The Elements of Plane and Solid Geometry: With Chapters on Mensuration and ...

Isaac Sharpless - 1879 - 266 páginas
...equal, latus, a side. * Poly, many; gonia, an angle. * Isos, equal; ecelos, a leg. 23. A square is one which has all its sides equal, and all its angles right angles. 24. A rectangle 1 is one which has its opposite sides equal and all its angles right angles. 25. A...
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Euclid, books i. & ii., with notes, examples, and explanations, by a late ...

Euclides - 1879
...angular point opposite to that side is called the vertex^ 30. Of four-sided figures : A square is that which has all 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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The Elements of Euclid for the Use of Schools and Colleges: With Notes, an ...

Isaac Todhunter - 1880 - 400 páginas
...acute-angled triangle is that which has three acute angles. Of four-sided figures, 30. A square is that which has all 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...
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Class lessons on Euclid

Marianne Nops - 1882
...diagonal. Parallelograms are of four kinds, which are thus defined by Euclid : — 30. ' A square is that which has all its sides equal and all its angles right angles.' 31. ' An oblong, or rectangle, is that which has all its angles right angles, but not all its sides...
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Geometry for schools, comprising books i. and ii. of Euclid, with some ...

Euclides - 1883 - 96 páginas
...quadrilateral figure is a plane figure enclosed by four straight lines. 24. A square is a four-sided figure which has all its sides equal and all its angles right angles. It is sufficient, if all the sides are equal, to have one angle a right angle, as it may then be proved...
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