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75 cents altitude angle of elevation arithm base chains chord circle circumference Co-tangent complement computed correction cosecant cosine course and distance cubic feet diameter diff difference of latitude difference of longitude Dist divided equal equator fifth figure find the angles find the area find the Logarithm frustum Geometry given number Given the angle half height Hence horizontal line inches length logarithmic sine longitude measured meridian middle latitude miles minutes Multiply Muslin natural number nautical miles number of seconds p p A I parallel parallel sailing perpendicular plane sailing Prob Prop proportional quadrant r.rart radius Required the logarithmic right-angled spherical triangle right-angled triangle Rule Sandy Hook secant Sheep extra side AC spherical triangle ABC Spherical Trigonometry station subtract tabular number tang Tangent theodolite Theorem Trigonometry vernier vertical Vulgar Fraction yards zoids
Página 20 - The circumference of every circle is supposed to be divided into 360 equal parts, • called degrees, each degree into 60 minutes, and each minute into 60 seconds, etc.
Página 154 - STUDENT'S HISTORY OF ROME. From the EARLIEST TIMES to the ESTABLISHMENT OF THE EMPIRE, With Chapters on the History of Literature and Art. By Dean LIDDELL.
Página 69 - FIND the area of the sector having the same arc with the segment, by the last problem. Find also the area of the triangle, formed by the chord of the segment and the two radii of the sector.
Página 54 - C' (89) (90) (91) (92) (93) 112. In any plane triangle, the sum of any two sides is to their difference as the tangent of half the sum of the opposite angles is to the tangent of half their difference.
Página 69 - TO THE NUMBER OF DEGREES IN THE ARC ; So IS THE AREA OF THE CIRCLE, TO THE AREA OF THE SECTOR.
Página 153 - Findlay's Classical Atlas, to Illustrate Ancient Geography. Comprised in 25 Maps, showing the various Divisions of the World as known to the Ancients. With an Index of the Ancient and Modern Names. 8vo, Half Bound, $3 25.
Página 73 - To find the solidity of a pyramid. RULE. Multiply the area of the base by one third of the altitude.
Página vi - The characteristic of the logarithm of ANY NUMBER GREATER THAN UNITY, is one less than the number of integral figures in the given number.