| Moffatt and Paige - 1883
...is that which has three acute angles. 30. Of quadrilateral or four-sided figures, a square is tliat **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... | |
| EUCLID. - 1883 - 96 sider
...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... | |
| Euclides - 1884
...angle. XXIX. Of three-sided figures, an acute-angled triangle is that which has three acute angles. XXX. **Of four-sided figures, a square is that which has...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 its... | |
| Euclides - 1884
...and AC are equal, 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... | |
| Colin Arrott R. Browning - 1884
...corner. diagonal 2 Area of a square = ~ . Diagonal of a square = V2 area. (7) An Oblong, or Rectangle, **is that which has all its angles right angles, but has not all its sides equal.** Area of rectangle = length x breadth, and . • . the breadth length' (8) A Rhombus has all its sides... | |
| Stephen Hawtrey - 1884 - 155 sider
...Of four-sided figures the most important is a square, which Euclid thus defines : Definition 30.—A **square is that which has all its sides equal and all its angles right angles.** The remaining definitions of four-sided figures are not essential for our present purpose; we will... | |
| Stewart W. and co - 1884
...triangle has an obtuse angle. XXIX. An acute-angled triangle has three acnte angles. XXX. A square **has all its sides equal, and all its angles right angles. XXXI. An oblong** has all its angles right angles, but not all its sides equal. XXXII. A rhombus has its sides equal,... | |
| John Veitch - 1885 - 551 sider
...Hence, in the 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... | |
| John Veitch - 1885 - 551 sider
...four-sided fgure, 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 fa6Seais, or Suppositio,... | |
| Edward Mann Langley, W. Seys Phillips - 1890 - 515 sider
...obtuse angle. 29. An 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 has not all its sides equai. 32. A... | |
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