Tables of Logarithms of Numbers and of Sines and Tangents for Every Ten Seconds of the Quadrant: With Other Useful TablesHarper & brothers, 1859 - 150 páginas |
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Página 59
... yard is a linear yard , & c . There are some superficial units which have no correspond- ing linear units of the same name ... Yards . 1296 = 9 1 Sq . Rods . 39204- 2721- 627264 = 4356 6272640 = 43560 PROBLEM I. M. 4014489600 = 27878400 ...
... yard is a linear yard , & c . There are some superficial units which have no correspond- ing linear units of the same name ... Yards . 1296 = 9 1 Sq . Rods . 39204- 2721- 627264 = 4356 6272640 = 43560 PROBLEM I. M. 4014489600 = 27878400 ...
Página 60
... yards are there in the four sides of a room which is 18 feet long , 15 feet broad , and 9 feet high ? Ans . , 66 square yards . D C ( 82. ) If the sides and angles of a parallelogram are given , the perpendicular height may be found by ...
... yards are there in the four sides of a room which is 18 feet long , 15 feet broad , and 9 feet high ? Ans . , 66 square yards . D C ( 82. ) If the sides and angles of a parallelogram are given , the perpendicular height may be found by ...
Página 61
... yards are contained in a triangle whose base is 49 feet , and altitude 25 feet ? Ans . , 68.736 . Ex . 2. What is the area of a triangle whose base is 45 feet , and altitude 27.5 feet ? Ans . , 618.75 square feet . ( 84. ) When two ...
... yards are contained in a triangle whose base is 49 feet , and altitude 25 feet ? Ans . , 68.736 . Ex . 2. What is the area of a triangle whose base is 45 feet , and altitude 27.5 feet ? Ans . , 618.75 square feet . ( 84. ) When two ...
Página 63
... yards in a trapezoid whose par- allel sides are 678 and 987 feet , and altitude 524 feet ? PROBLEM IV . Ans . ( 88. ) To find the area of an irregular polygon . RULE . Draw diagonals dividing the polygon into triangles , and find the ...
... yards in a trapezoid whose par- allel sides are 678 and 987 feet , and altitude 524 feet ? PROBLEM IV . Ans . ( 88. ) To find the area of an irregular polygon . RULE . Draw diagonals dividing the polygon into triangles , and find the ...
Página 69
... yards ? Ans . , 49087.38 yards . PROBLEM X. ( 99. ) To find the area of a sector of a circle . RULE I. Multiply the arc of the sector by half its radius . See Geometry , Prop . 12 , Cor . , B. VI . RULE II . As 360 is to the number of ...
... yards ? Ans . , 49087.38 yards . PROBLEM X. ( 99. ) To find the area of a sector of a circle . RULE I. Multiply the arc of the sector by half its radius . See Geometry , Prop . 12 , Cor . , B. VI . RULE II . As 360 is to the number of ...
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Términos y frases comunes
9 I I altitude angle of elevation arithm base chains circle Co-sine Co-tangent complement computed correction cosecant course and distance decimal diameter diff difference of latitude difference of longitude Dist divided equal equator fifth figure find the angles find the area find the Logarithm frustum given number given the angle height Hence horizontal plane hypothenuse inches latitude and departure length LO LO LO logarithmic sine measured meridian middle latitude miles minutes Multiply natural number nautical miles parallel parallel sailing perpendicular places plane sailing Prob Prop proportional quadrant radius Required the logarithmic right-angled spherical triangle right-angled triangle Sandy Hook secant ship sails side AC spherical triangle ABC SPHERICAL TRIGONOMETRY station subtract surface tabular number tang Tangent telescope theodolite Theorem vernier vertical Vulgar Fraction wyll yards zoids ΙΙ ΙΟ
Pasajes populares
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 163 - In any spherical triangle, the sines of the sides are proportional to the sines of the opposite angles. In the case of right-angled spherical triangles, this proposition has already been demonstrated.
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 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.
Página 184 - If a heavy sphere, whose diameter is 4 inches, be let fall into a conical glass, full of water, whose diameter is 5, and altitude 6 inches ; it is required to determine how much water will run over ? AHS.