| William Dodds - 1883
...kinds — the Square, Rectangle, Rhombus, and Rhomboid. THE SQUARE. 14. A Square is a parallelogram **which has all its sides equal, and all its angles right angles.** 15. To find the area of a square wlien the side is given in one denomination only. RULE. Multiply the... | |
| Euclid, Isaac Todhunter - 1883 - 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 : 33. A... | |
| Euclides - 1884
...name the sides and base. 13. KINDS OF QUADRILATERALS. 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 rhombus... | |
| Euclides - 1884
...acute-angled triangle is that which has three acute angles. XXX. Of four-sided figures, a square is that **which has all its sides equal, and all its angles right angles.** XXXI. Of four-sided figures, an oblong is that which has all its angles right angles, but has not all... | |
| John Veitch - 1885 - 551 páginas
...four-sided figure, for this does not distinguish it from an oblong or a rhombus ; but of a four-sided **figure which has all its sides equal, and all its angles right angles.** (a) The representative function of the Concept was indicated in the doctrine of i)»o'flfo-is, or Snppositio,... | |
| John Veitch - 1885 - 551 páginas
...proposition, the subject may be put for the predicate or the predicate for the subject. A square is that **which has all its sides equal, and all its angles right angles.** This as a definition is convertible. Genus (ytvos) is that which is attributed essentially to several... | |
| Edward Mann Langley, W. Seys Phillips - 1890 - 515 páginas
...triangle equivalent to the given rectilineal figure, and then use I. 42. DER— A square is a four_sided **figure which has all its sides equal and all its angles right angles** (ie which is equilateral and rectangular). PROPOSITION 46. PROBLEM. To describe a square on a given... | |
| John H. Macke - 1891 - 228 páginas
...ogram whose angles are all right angles ; as the figure AB С D. A 25. A SQUARE is a parallelogram H **which has all its sides equal, and all its angles right angles;** as figure EFGH. 26. A RHOMBUS is a parallelogram whose sides are all equal in length, but its angles... | |
| Euclid, Robert Simson - 1892 - 518 páginas
...rectangle is a parallelogram which has one of its angles a right angle. 28. A square is a four.sided **figure which has all its sides equal and all its angles right angles.** [It may easily be shewn that if a quadrilateral lias all its sides equal and one angle a right angle,... | |
| Frank Castle - 1899 - 404 páginas
...A rectangle is a parallelogram having each of its angles a right angle A square is a parallelogram **which has all its sides equal and all its angles right angles.** A rhombus is a parallelogram having all its sides equal, but its angles are not right angles. A trapezium... | |
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