| John H. Macke - 1891 - 228 sider
...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 sider
...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 sider
...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... | |
| Henry Sinclair Hall, Frederick Haller Stevens - 1900 - 304 sider
...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... | |
| Frank Castle - 1900
...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... | |
| Thomas Smith (D.D.) - 1902 - 227 sider
...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, H. S. Hall, F. H. Stevens - 1904 - 456 sider
...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... | |
| Charles Westinghouse - 1906 - 157 sider
...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,... | |
| Joseph H. Rose - 1906 - 309 sider
...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... | |
| R. H. Warn, J. G. Horner - 2002 - 284 sider
...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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