 | Edward Atkins - 1876 - 130 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... | |
 | James Martin (of the Wedgwood inst, Burslem.) - 1876 - 334 páginas
...— 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... | |
 | Edward Atkins - 1877 - 72 páginas
...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... | |
 | Moffatt and Paige - 1879 - 378 páginas
...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:—... | |
 | Moffatt and Paige - 1879 - 428 páginas
...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... | |
 | Isaac Sharpless - 1879 - 282 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... | |
 | Euclides - 1879 - 146 páginas
...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... | |
 | Isaac Todhunter - 1880 - 426 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... | |
 | Marianne Nops - 1882 - 278 páginas
...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... | |
 | Euclides - 1883 - 176 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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A rhombus is that which has all its sides equal, but its angles are not right angles. 
