 | Edward Wyllys Hyde - 1890 - 288 σελίδες
............... (76) is the condition that the two vectors E1 and £2 shall be perpendicular. The product E^ is the area of a square each side of which is of the length T^ ; hence £J£^T'£^£Asay ......... (77) The form E1- is merely another way of writing... | |
 | William Watson - 1896 - 264 σελίδες
...•01 SECTION III.— THE MEASUREMENT OF AREA. The unit of area, or surface, that is usually employed is the area of a square each side of which is of unit length. Thus, in the metric system, a square each side of which is one centimetre may be taken as the unit... | |
 | Edwin Edser - 1913 - 656 σελίδες
...More accurately, a metre is equal to 39'37OH3 inches. Units of area and volume.— The unit of area is the area of a square, each side of which is of unit length. Hence, the British unit of area is the square foot, and the scientific unit is the square centimetre.... | |
 | W. T. Clough - 1923 - 294 σελίδες
...(l) the diameter of a piece of knitting needle, (2) the external diameter of a glass tube. Exercise 29. — The diameter of a wire may also be found as...use as units of area a sq. inch, a sq. foot, etc. Exercise 30. — To find the area of a rectangle, Draw a rectangle of length 5 cm. and breadth 3 cm.... | |
 | Philosophical Union of the University of California - 1926 - 452 σελίδες
...surface of the earth, as the unit of area. In an absolute system, however, the unit of area is defined as the area of a square each side of which is of unit length. Now if / is the numerical measure of the side of a square, the area of the square will contain /-'... | |
 | National Joint Industrial Council for the Flour Milling Industry - 1926 - 844 σελίδες
...equal to 39.4 inches. UNITS OF AREA AND VOLUME. Area is length multiplied by breadth. The unit of area is the area of a square, each side of which is of unit length. The British unit of area is the square foot and the scientific unit of area is the square centimetre. The... | |
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IN the measurement of the extent of the surface of a body, or its area, the unit used is the area of a square each side of which is of unit length. 