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" ... radius, which is 10, and the remainder will be the logarithm of double the area of the triangle. Find, from the table, the number answering to this logarithm, and divide it by 2 ; the quotient will be the required area (Geom. "
A System of Geometry and Trigonometry: Together with a Treatise on Surveying ... - Page 40
by Abel Flint - 1825 - 241 pages
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A System of Geometry and Trigonometry: Together with a Treatise on Surveying ...

Abel Flint - Geometry - 1804 - 168 pages
...contained Angle, that is, the Angle made by those Sides, are given, the Area may be found as follows : Add together the Logarithms of the two Sides and the...another 85 and the Angle contained between them 28 5'. Demanded the Area. One Side, 105 2.02119 The other Side, 85 - - 1.92942 Sine Angle, 28 5' - -...
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A System of Geometry and Trigonometry: Together with a Treatise on Surveying ...

Abel Flint - Geometry - 1808 - 168 pages
...contained Angle, that is, the Angle made by those Sides, are given, the Area may be found as follows : Add together the Logarithms of the two Sides and the...another 85 and the Angle contained between them 28 5'. Demanded the Area. One Side, 105 - - - 2.02119 The other Side, 85 - - 1.92942 Sine Angle, 28...
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A System of Geometry and Trigonometry: Together with a Treatise on Surveying ...

Abel Flint - Deeds - 1818 - 168 pages
...contained Angle, that is, the Angle made by those Sides, are given, the Area may be found as follows : Add together the Logarithms of the two Sides and the...EXAMPLE. Suppose a Triangle one of whose Sides is 1 05 Rods and another 85, and the Angle contained between them 28 5'. Demanded the Area. One Side,...
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A System of Geometry and Trigonometry: With a Treatise on Surveying; in ...

Abel Flint - Geometry - 1835 - 334 pages
...contained angle, that is, the angle made by those sides, are given, the area may be found as follows: Add together the logarithms of the two sides and the...another 85, and the angle contained between them 28 5'. Demanded the area. One side, 105 - - - - . 2.021189 The other side, 85 - - - - 1.929419 Sine angle,...
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A System of Geometry and Trigonometry: With a Treatise on Surveying; in ...

Abel Flint - Geometry - 1835 - 334 pages
...contained angle, that is, the angle made by those sides, are given, the area may be found as follows: Add together the logarithms of the two sides and the...logarithmic sine of the angle; from their sum subtract the lofarithm of radius, the remainder will be the logarithm of ouble the area. EXAMPLE. Suppose a triangle...
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Elements of Geometry and Trigonometry

Adrien Marie Legendre - Geometry - 1836 - 359 pages
...altitude 25 feet. Ans. 68.736] CASK II When two sides and their included angle are given. RULE. — Add together the logarithms of the two sides and the logarithmic sine of their included angle ; from this sum subtract the logarithm of the radius, which is 1 0, and the remainder...
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A System of Geometry and Trigonometry, with a Treatise on Surveying: In ...

Abel Flint - Geometry - 1837 - 272 pages
...contained angle, that is, the angle made by those sides, are given, the area may be found as follows : Add together the logarithms of the two sides, and the logarithmic sine of the angle ; from their sum substract the logarithm of radius, the remainder will be the logarithm of double the area. EXAMPLE....
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Elements of Surveying: Including a Description of the Instruments and the ...

Surveys - 1837 - 249 pages
...altitude 9.67 chains? Ms. ~iA iR 38 P, SECOND METHOD. Measure two sides and their included angle. Then, add together the logarithms of the two sides and the logarithmic sine of their included angle ; from this sum subtract the logarithm of the radius, which is 10, and the remainder...
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A System of Geometry and Trigonometry: With a Treatise on Surveying, in ...

Abel Flint - Geometry - 1839 - 334 pages
...together the logarithms of the two sides, and the logarithmic sine of the angle ; from their sum substract the logarithm of radius, the remainder will be the logarithm of double the area. EXAMPLE. Suppose a triapgle, one of whose sides is 105 rods, and another 85, and the angle contained between them 28...
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Elements of Surveying: With a Description of the Instruments and the ...

Charles Davies - Surveying - 1839 - 261 pages
...altitude 9.67 chains 1 JSns. lA iR 38 P SECOND METHOD. x Measure two sides and their included angle. Then, add together the logarithms of the two sides and the logarithmic sine of their included angle ; from this sum subtract the logarithm of the radius, which is 10, and the remainder...
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