| Euclid - Geometry - 1892 - 460 pages
...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 - Mathematics - 1899 - 424 pages
...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... | |
| Frank Castle - Mathematics - 1900 - 184 pages
...the opposite side, but is also perpendicular to the two adjacent sides. 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... | |
| Henry Sinclair Hall, Frederick Haller Stevens - Euclid's Elements - 1900 - 330 pages
...triangle must have at least two acute, anyles. ] QUADRILATERALS. 30. A square is a four.sided figure **which has all its sides equal and all its angles right angles.** [It may be shewn that if a quadrilateral has all its sides equal and one angle a right angle, then... | |
| Thomas Smith (D.D.) - Euclid's Elements - 1902 - 244 pages
...truth; and that he might just as well have defined an equilateral triangle as a three-sided figure **which has all its sides equal and all its angles right angles.** It happens, indeed, that the square as defined does exist, and the triangle as so defined does not... | |
| Euclid - Euclid's Elements - 1904 - 488 pages
...is a triangle which has three acute angles. QUAD RILATE RA IS. 30. A square is a four-sided figure **which has all its sides equal and all its angles right angles.** [It may be shewn that if a quadrilateral has all its sides equal and one angle a right angle, then... | |
| Joseph H. Rose - Sheet-metal work - 1906 - 340 pages
...hypothenuse in a right-angled triangle is the side opposite the right angle as in Fig. 7. Fig. 7. Fig. 8. **A square is that which has all its sides equal and all its angles** right-angled as in Fig. 8. A rectangle is that which has all its angles right angles, but only its... | |
| Charles Westinghouse - Machine design - 1906 - 168 pages
...40. The hypothenuse in a right angled triangle is the side opposite the right angle as in Fig. 40. **A square is that which has all its sides equal and all its angles** right-angled as in Fig. 41. A rectangle is that which has all its angles Fig. 41. Fig. 42. right angles,... | |
| Ernest Murray Blackburn - English language - 1911 - 244 pages
..., a sudden tempest. Square, n., Lat. quadra, [from quatuor four], a four-sided rectilineal figure, **which has all its sides equal and all its angles right angles.** Squash, v. , [from ex- out + Lat. cogtre to force together], to crush flat. squat, a., lit. 'squashed... | |
| R. H. Warn, John G. Horner - Technology & Engineering - 2002 - 292 pages
...remaining two being necessarily acute angles, since they make up the other right angle together. 29. **A square is that which has all its sides equal, and all its angles right angles** (Fig. 9). C. ,3 C Fig. 8. Fig. 9. 30. An oblong is that which has all its angles right angles, but... | |
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