 Art. 191. THE area or surface of a figure is the number of square inches, feet, yards, &c., which it contains. A square constructed upon a straight line, of which the length is an inch, is called a square inch; and the same is to be understood of a square...  A Complete System of Mensuration ... - Página 36por Alexander Ingram - 1851Vista completa - Acerca de este libro
 | Alexander Ingram - 1830 - 458 páginas
...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 - 304 páginas
...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 - 342 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 - 336 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 - 1851 - 280 páginas
...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 - 622 páginas
...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 - 142 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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