A Complete System of Mensuration ...1851 |
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Página 38
... area of a rhombus , the side 358 , and the perpendicular on it 194 feet . 3. Required the area of a rhombus , of ... find the area . RULE . Multiply the product of the two sides by the natu- ral sine of the angle . That is , BCX BA x sin ...
... area of a rhombus , the side 358 , and the perpendicular on it 194 feet . 3. Required the area of a rhombus , of ... find the area . RULE . Multiply the product of the two sides by the natu- ral sine of the angle . That is , BCX BA x sin ...
Página 39
... area of a rhombus , the side 172 ells , and an angle 72 ° 30 ' . Ans . 28214 74 ells . 3. Required the area of a ... find the area . RULE . Multiply the base by the perpendicular , and half the product will be the area . That is , ( BCAC ) ...
... area of a rhombus , the side 172 ells , and an angle 72 ° 30 ' . Ans . 28214 74 ells . 3. Required the area of a ... find the area . RULE . Multiply the base by the perpendicular , and half the product will be the area . That is , ( BCAC ) ...
Página 40
... area of a triangle , the side 684 links , the angle adjacent 137 ° , and the perpendicular 928 links . Ans . 3.17376 acres , = 3 acres 27 perches 241 yards . PROB . V. Given two sides and the included angle of a tri- angle ; to find the ...
... area of a triangle , the side 684 links , the angle adjacent 137 ° , and the perpendicular 928 links . Ans . 3.17376 acres , = 3 acres 27 perches 241 yards . PROB . V. Given two sides and the included angle of a tri- angle ; to find the ...
Página 41
... find the area . RULE . Add the three sides together , and from half the sum subtract each side separately . Then multiply the half sum and the three remainders successively , and the square root of the last product will be the area ...
... find the area . RULE . Add the three sides together , and from half the sum subtract each side separately . Then multiply the half sum and the three remainders successively , and the square root of the last product will be the area ...
Página 42
... area of a triangle , of which the sides are 834 , 658 , and 423 links . The half sum 957.5 log . 2.981139 First rem ... find the area of a trapezoid . RULE . Multiply half the sum of the parallel sides by the perpendicular from the one ...
... area of a triangle , of which the sides are 834 , 658 , and 423 links . The half sum 957.5 log . 2.981139 First rem ... find the area of a trapezoid . RULE . Multiply half the sum of the parallel sides by the perpendicular from the one ...
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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...