A Complete System of Mensuration ...1851 |
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Página 4
... whole or mixed number , is always one less than the number of in- tegral figures of which the number consists ; and in decimal fractions , the index which is negative is that number which points out the distance of the first significant ...
... whole or mixed number , is always one less than the number of in- tegral figures of which the number consists ; and in decimal fractions , the index which is negative is that number which points out the distance of the first significant ...
Página 9
... whole angle B ABD . 9. A straight line is said to be PERPENDI- CULAR to another , when it does not incline to- wards one end more than towards the other . Thus AB is perpendicular to CD . 10. A RIGHT ANGLE is that made by a per ...
... whole angle B ABD . 9. A straight line is said to be PERPENDI- CULAR to another , when it does not incline to- wards one end more than towards the other . Thus AB is perpendicular to CD . 10. A RIGHT ANGLE is that made by a per ...
Página 15
... whole shall be to the produced part in a given ratio , as of 5 to 2 . ་ Through A draw any straight line DAC , lay 2 from A to C , and 5 from C to D towards A. Join BD , and parallel to it draw CE . Then BE : EA :: 5 : 2 . E C B D PROB ...
... whole shall be to the produced part in a given ratio , as of 5 to 2 . ་ Through A draw any straight line DAC , lay 2 from A to C , and 5 from C to D towards A. Join BD , and parallel to it draw CE . Then BE : EA :: 5 : 2 . E C B D PROB ...
Página 24
... whole circumference , or the angle of four right angles , is sometimes called the explement : Thus BDEMLA is the explement of AB , or of ACB . 9. The sine , versed sine , tangent , and secant of the com- plement of an arc or angle , are ...
... whole circumference , or the angle of four right angles , is sometimes called the explement : Thus BDEMLA is the explement of AB , or of ACB . 9. The sine , versed sine , tangent , and secant of the com- plement of an arc or angle , are ...
Página 47
... whole . 1. Required the area of the pentagon ABCDE , of which the sides are AB 354 , BC 432 , CD 518 , DE 465 , and EA 397 feet ; and the diagonals AC 574 , and AD 612 feet . E B By Prob . VI . the triangle • • ABC is 76338.25 ACD ...
... whole . 1. Required the area of the pentagon ABCDE , of which the sides are AB 354 , BC 432 , CD 518 , DE 465 , and EA 397 feet ; and the diagonals AC 574 , and AD 612 feet . E B By Prob . VI . the triangle • • ABC is 76338.25 ACD ...
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Términos y frases comunes
18 feet 18 inches 20 feet 9 inches ABCD acres arch arithm axis base base 36 bound breadth central distance centre chord circle circular circumference cosine cubic feet cubic inches curve cylinder diagonal divided double measure draw EDINBURGH ACADEMY ellipse equal feet 6 inches feet long find the area find the solid fleur-de-lis frustum Geom girt given gonal greatest diameter half the sum hyperbola hypotenuse inches broad logarithm mouldings multiply NOTE parabola parallel pentagonal pyramid perches perpendicular perpendicular height poles polygon PROB pyramid quotient radius Required the area Required the content Required the solid Required the surface right angle roods RULE segment side-walls sides solid content spheroid spindle square feet square foot square yard station straight line subtract taken tangent THEODOLITE thickness triangle ABC versed sine
Pasajes populares
Página 74 - To twice the length of the base add the length of the edge ; multiply the sum by the breadth of the base, and by one-sixth of the height.
Página 188 - I would have a square foot cut off parallel to the shorter edge ; I would then have the like quantity divided from the remainder parallel to the longer side...
Página 57 - So IS THE AREA OF THE CIRCLE, TO THE AREA OF THE SECTOR.
Página 64 - A sphere is a solid bounded by a curved surface, every point of which is equally distant from a point within called the center.
Página 12 - Quadrilateral ; of five sides a Pentagon ; of six sides a Hexagon ; of seven sides a Heptagon ; of eight sides an Octagon ; of nine sides a Nonagon ; of ten sides a Decagon ; of twelve sides a Dodecagon.
Página 71 - To find the solidity of a cone. RULE. Multiply the area of the base by the perpendicular height, and ^ of the product will be the solidity.
Página 36 - Art. 191. THE area or surface of a figure is the number of square inches, feet, yards, &c., which it contains. A square constructed upon a straight line, of which the length is an inch, is called a square inch; and the same is to be understood of a square foot, &c. This is called the measuring unit, and the area of any figure is the number of times it contains the measuring unit. Art. 192. To FIND THE AREA OF A TRIANGLE.
Página 144 - To prove that the exterior angle of a triangle is equal to the sum of the two interior opposite angles (see fig.
Página 33 - TO THEIR DIFFERENCE ; So IS THE TANGENT OF HALF THE SUM OF THE OPPOSITE ANGLES', To THE TANGENT OF HALF THEIR DIFFERENCE.
Página 88 - A SPHEROID is a solid, generated by the revolution of an ellipse about one of its diameters. If the ellipse revolves about its longer or...