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Libros Libros 1 - 10 de 10 sobre ABCD (Jig. 64), the breadth or perpendicular distance of either two opposite sides,...
" ABCD (Jig. 64), the breadth or perpendicular distance of either two opposite sides, as CP, is equal to the product of the corresponding oblique side CB by the sine of the angle of the parallelogram, radius being unity (Trig. 30). Hence, the area of a... "
An Elementary Treatise on the Application of Trigonomentry to Orthographic ... - Página 88
por John Farrar - 1833 - 155 páginas
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An Elementary Treatise on the Application of Trigonometry: To Orthographic ...

John Farrar - 1822 - 153 páginas
...the product of any two contiguous sides. 64. if the parallelogram be oblique.angled, as ABCD (Jig. 64), the breadth or perpendicular distance of either...radius being unity. Given AB = 59 chains 80 links, or 59,80ch., AC = 37,05 ch., and A = 90°, we have 59,8 x 37,05 x 1 = 2215,59 square chains = 22155900...
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An Elementary Treatise on the Application of Trigonometry to Orthographic ...

John Farrar - 1822 - 153 páginas
...product of any two contiguous sides. Fig. 64. If the parallelogram be oblique-angled, as ABCD (Jig. 64), the breadth or perpendicular distance of either...radius being unity. Given AB = 59 chains 80 links, or 59,80ch., AC = 37,05 ch., and A — 90°, we have 59,8 x 37,05 X 1 = 2215,59 square chains = 2:2155900...
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An Elementary Treatise on the Application of Trigonomentry to Orthographic ...

John Farrar - 1833 - 155 páginas
...others adapted particularly to surveying, the description and use of which will be found in the notes. product of the length by the breadth is the product...= 37,05 ch., and A = 90°, we have 59,8 X 37,05 X 1 = 2215,59 square chains = 22155900 square links. Now, since 10 square chains, 100000 square links,...
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Elements of Plane Geometry: For the Use of Schools

Nicholas Tillinghast - 1844 - 96 páginas
...Every parallelogram is equivalent to a rectangle which has an equal base and equal altitude. Cor. 2. Hence the area of a parallelogram is equal to the product of its base by its altitude (Prop. Cor. 3. Hence parallelograms of equal altitudes, are m proportion to...
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Elements of geometry and mensuration

Thomas Lund - 1854 - 362 páginas
...measure of the parallelogram ABCD=ABxBE = the base*. the height, as it is usually stated. In other words the area of a parallelogram is equal to the product of any one side and the perpendicular distance of that side from the opposite side. In any proposed case,...
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A compendious course of mathematics, theoretical and practical

John Radford Young - 1855
...parallelogram, and CE its altitude ; then, in the right-angled triangle AEC, we shall have _^* BO that the area of a parallelogram is equal to the product of any two adjacent sides multiplied by the sine of the angle between them. The trouble of finding the perpendicular...
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The Complete Arithmetic: Oral and Written

Henry Bartlett Maglathlin - 1881 - 346 páginas
...diagram that the rhombus ABCD is equal to the rectangle EBCF of the same base and altitude (Art. 218). Hence, The area of a parallelogram is equal to the product of the base and altitude. 9. What is the area of a parallelogram whose base is 36 feet and altitude 15...
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The Competitor, Volúmenes3-4

1883
...ABC = -ft and (1.) p = b sin A, which substitute for p, be sin A ac sin B ab sin C area of ABO = 2 Hence, the area of a parallelogram is equal to the product of two adjacent sides into the sine of the angle between them. Also, since the sine of an angle is equal...
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Elements of Analytic Geometry

Joseph Johnston Hardy - 1897 - 365 páginas
...cos A sin B. 14. The sides of a triangle are proportional to the sines of the opposite angles. 15. The area of a parallelogram is equal to the product of any two adjacent sides by the sine of the included angle. 16. In quadrant 2 the sine and cosecant only are...
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Progressive Arithmetic: First-[third] Book, Libro 3

William James Milne - 1906
...550. The area of any parallelogram is equal to that of a rectangle having the same base and altitude. Hence, The area of a parallelogram is equal to the product of its base and altitude. 551. Find the area of each of these parallelograms : BASE ALTITUDE BASE ALTITUDE...
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