| Alexander Ingram - 1830
...at the level of the sea, in the latitude of London, contains 39-1393 such inches. A square described **upon a straight line, of which the length is an inch,...the same is to be understood of a square foot, &c.** The area of a surface is the number of square inches, feet, &c. which it contains. Land is estimated... | |
| James Robinson (of Boston.) - 1847
...a line drawn from its vertex, or top, perpendicular to its base. MENSURATION OF SURFACES. Art. 191. **THE area or surface of a figure is the number of square...the measuring unit, and the area of any figure is** the number of times it contains the measuring unit. Art. 192. To FIND THE AREA OF A TRIANGLE. RULE.... | |
| James Robinson - 1850 - 324 páginas
...line drawn from its •vertex, or top, perpendicular to its base. MENSURATION OF SURFACES. t. 191. **THE area or surface of a figure is the number of square...the same is to be understood of a square foot, &c.** Thw is called the measuring unit, and the area of any figure is the number of times it contains the... | |
| James Robinson (Jr.) - 1851 - 324 páginas
...line passing through its centre, and terminating at the surface. MENSURATION OF SURFACES. Art. 191. **THE area or surface of a figure is the number of square...upon a straight line, of which the length is an inch,** » called a S 9y re inch; and the same is to be understood of a square foot, &c. This is called the... | |
| DANIEL LEACH, WILLIAM D. SWAN - 1851
...they pay for their dinners, at 50 cents for each dinner ? MENSURATION OF SURFACES. SECTION XL. 355. **THE area or surface of a figure is the number of square** rods, feet, inches, &c., it contains. 356. A square is a figure of four equal sides, which are perpendicular... | |
| Daniel Leach - 1853
...for each dinner ? What is permutation ? What is the rule ? MENSURATION OF SURFACES. SECTION XL. 355. **THE area or surface of a figure is the number of square** rods, feet, inches, &c., it contains. 356. A square is a figure of four equal sides, which are perpendicular... | |
| Thomas Hunter - 1878 - 132 páginas
...surface. 2. A square whose side is one inch, one foot, or one yard, is called the unit of measure, **and the area of any figure is computed by the number of those squares** contained in that figure. PROBLEM I. To find the area of a parallelogram, whether it be a square, a... | |
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