A Course of Mathematics: In Three Volumes : Composed for the Use of the Royal Military Academy ...F.C. & J. Rivington, 1811 |
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Seite 4
... column . Then the sines , cosines , tangents , cotangents , of the degrees and minutes , are placed on the same lines with them , and in the annexed columns , according to their several respective names or titles , which are at the top ...
... column . Then the sines , cosines , tangents , cotangents , of the degrees and minutes , are placed on the same lines with them , and in the annexed columns , according to their several respective names or titles , which are at the top ...
Seite 39
... column of heights in the following tablet : Take out the corresponding area in the next colunin on the right hand ; and multiply it by the square of the circle's diameter , for the area of the segment * Note . * The truth of this rule ...
... column of heights in the following tablet : Take out the corresponding area in the next colunin on the right hand ; and multiply it by the square of the circle's diameter , for the area of the segment * Note . * The truth of this rule ...
Seite 43
... column of the table , the corresponding tabular area is found04088 . Then 04088 x 202 = 04088 × 400 = 16.352 , the area , nearly the same as before . Ex . 3. What is the area of the segment , whose height is 18 , and diameter of the ...
... column of the table , the corresponding tabular area is found04088 . Then 04088 x 202 = 04088 × 400 = 16.352 , the area , nearly the same as before . Ex . 3. What is the area of the segment , whose height is 18 , and diameter of the ...
Seite 72
... columns , as usual . In the middle one are set down the distances on the chain - line , at which any mark , offset , or ... column , or only a part of such a line on the right and left opposite the figures , to avoid confusion ; and the ...
... columns , as usual . In the middle one are set down the distances on the chain - line , at which any mark , offset , or ... column , or only a part of such a line on the right and left opposite the figures , to avoid confusion ; and the ...
Seite 72
... columns , as below . Here is the first station , where the angle or bearing is 105 ° 25 ' . On the left , at 73 links in the distance or prin- cipal line , is an offset of 92 ; and at 610 an offset of 24 to a cross hedge . On the right ...
... columns , as below . Here is the first station , where the angle or bearing is 105 ° 25 ' . On the left , at 73 links in the distance or prin- cipal line , is an offset of 92 ; and at 610 an offset of 24 to a cross hedge . On the right ...
Häufige Begriffe und Wortgruppen
16 feet absciss altitude axis ball base beam body breadth CA² CD² centre of gravity circle circular segment circumference column cone constant Corol Cosine Cotang cube cubic cubic foot curve cylinder DE² denote density descending diameter direction distance divided draw drawn ellipse equal equation figure find the area find the fluent fluent of EXAM fluid foot force frustum given fluxion Hence hyperbola inches inclined plane length lever logarithms measure motion moving multiply nearly ordinate parabola parallel parallelogram pendulum perpendicular pressure PROBLEM proportional PROPOSITION quantity QUEST radius ratio rectangle resistance right angles rule SCHOLIUM segment side sine solid space specific gravity square supposing surface Tang tangent theor THEOREM theref trapezium triangle variable velocity vibration weight whole yards
Beliebte Passagen
Seite 52 - All the interior angles of any rectilineal figure, together with four right angles, are equal to twice as many right angles as the figure has sides.
Seite 1 - Geom.) is an arc of any circle contained between the two lines which form that angle, the angular point being the centre ; and it is estimated by the number of degrees contained in that arc.
Seite 79 - A diameter is any right line, as AB or DE, drawn through the centre, and terminated on each side by the curve ; and the extremities of the diameter, or its intersections with the curve, are its vertices. Hence all the diameters of a parabola are parallel to the axi?, and infinite in length.
Seite 23 - Being on a horizontal plane, and wanting to ascertain the height of a tower, standing on the top of an inaccessible hill, there were measured, the angle of elevation of the top of the hill 40°, and of the top of the tower 51° ; then measuring in a direct line 180 feet farther from the hill, the angle of elevation of the top of the tower was 33° 45' ; required the height of the tower.
Seite 245 - May-pole, whose top was broken off" by a blast of wind, struck the ground at the distance of 15 feet from the foot of the pole ; what was the height of the whole May-pole, supposing the length of the broken piece to be 39 feet ?
Seite 250 - Then say, As the weight lost in water, Is to the whole weight> So is the specific gravity of water, To the specific gravity of the body.
Seite 263 - It is determined, we find, as a certain fraction of the length of a pendulum vibrating seconds in the latitude of London.
Seite 27 - To find the area of a parallelogram, the length being 12-25, and height 8-5. 12-25 length 8'5 breadth 6125 9800 104-125 area . Ex. 2. To find the area of a square, whose side is 35'25 chains. Ans. 124 acres, 1 rood, 1 perch.
Seite 72 - ARTIFICERS' WORK. ARTIFICERS compute the contents of their works by several different measures. As, Glazing and masonry, by the foot ; Painting, plastering, paving, &c, by the yard, of 9 square feet : Flooring, partitioning, roofing, tiling, &c, by the square of 100 - square feet : And brickwork...
Seite 72 - ... the whole length of the upper part of the hand-rail, and girt over its end till it meet the top of the...