N.B.
“Trust men and they will trust you,” said Emerson. “Trust men and they will bust you,” says the business man.
[26.] Two years ago to Hobart-town A certain number of folk came down. The square root of half of them got married, And then in Hobart no longer tarried; Eight-ninths of all went away as well (This is a story sad to tell): The square root of four now live here in woe! How many came here two years ago?
PECULIARITIES OF SQUARES.
The following is well worth examining:—
| 22. | equals | 1 | plus | 2 | plus | 1 | equals | 4 |
| 32. | " | 4 | " | 2 | " | 3 | " | 9 |
| 42 | " | 9 | " | 2 | " | 5 | " | 16 |
| 52. | " | 16 | " | 2 | " | 7 | " | 25 |
| 62. | " | 25 | " | 2 | " | 9 | " | 36 |
| 72. | " | 36 | " | 2 | " | 11 | " | 49 |
| 82. | " | 49 | " | 2 | " | 13 | " | 64 |
| 92. | " | 64 | " | 2 | " | 15 | " | 81 |
| 102. | " | 81 | " | 2 | " | 17 | " | 100 |
| 112. | " | 100 | " | 2 | " | 19 | " | 121 |
| 122. | " | 121 | " | 2 | " | 21 | " | 144 |
[27.] How many inches are there in the diagonal of a cubic foot? and how many square inches in a superficies made by a plane through two opposite edges of the cube?