A Treatise on Mensuration for the Use of SchoolsCommissioners of national education, 1837 - 262 sider |
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Resultat 1-5 av 10
Side 13
... marked cho . on the scale ; and with this chord of 60 degrees as radius , and the centre A , describe an arc xy ; take from the line of chords 40 de MA in adeno . me or Jemp . grees , which set off from n to mó from A draw a line ...
... marked cho . on the scale ; and with this chord of 60 degrees as radius , and the centre A , describe an arc xy ; take from the line of chords 40 de MA in adeno . me or Jemp . grees , which set off from n to mó from A draw a line ...
Side 22
... marked 3 ; then move the com- passes upward , keeping one foot on the line DB , and the other on the line 3 s , till you arrive at the eighth interval , marked 88 , and the extent on the compasses will be that required . This , however ...
... marked 3 ; then move the com- passes upward , keeping one foot on the line DB , and the other on the line 3 s , till you arrive at the eighth interval , marked 88 , and the extent on the compasses will be that required . This , however ...
Side 128
... marked the two letters B , C ; on the same face are marked the letters A , D. The same numbers serve for both these two middle lines , the one being above the numbers , and the other below . Three of these lines , viz . A , B , C , are ...
... marked the two letters B , C ; on the same face are marked the letters A , D. The same numbers serve for both these two middle lines , the one being above the numbers , and the other below . Three of these lines , viz . A , B , C , are ...
Side 129
... marked 1 , 2 , 3 , & c .; if the first unit be called 1 , the 1 in the middle will be 10 , the other figures that follow will be 20 , 30 , 40 , & c . and the 10 at the right - hand end will be 100. If the left - hand unit be called 10 ...
... marked 1 , 2 , 3 , & c .; if the first unit be called 1 , the 1 in the middle will be 10 , the other figures that follow will be 20 , 30 , 40 , & c . and the 10 at the right - hand end will be 100. If the left - hand unit be called 10 ...
Side 141
... marked , Quarter Girt , and in adjoin- ing column marked , Area , will be found 1.085 , which mul- tiplied by the length , 10 feet , will give 10.85 feet for the solid content . 3. A piece of round timber is 20 feet long , and the ...
... marked , Quarter Girt , and in adjoin- ing column marked , Area , will be found 1.085 , which mul- tiplied by the length , 10 feet , will give 10.85 feet for the solid content . 3. A piece of round timber is 20 feet long , and the ...
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A Treatise on Mensuration for the Use of Schools Commissioners of National Education in Ireland Uten tilgangsbegrensning - 1837 |
Vanlige uttrykk og setninger
12 feet 20 feet 20 inches 9 inches abscissa acres altitude Appendix Area Seg base cask centre circular circular segment circumference circumscribed circle conjugate contained cube cubic feet cubic inches cylinder cylindroid deduct Demonstration depth dimensions distance divide elliptical equal in area feet 6 inches feet 9 figure find the area find the content find the solidity foot frustum give the area given half hyperbola imperial gallons inches broad last product line A B measure middle diameter multiply the sum nonagon ordinate parallel perches perpendicular perpendicular height piece of timber prism PROBLEM VIII product will give pyramid quarter girt quotient radius remainder required its solidity required the area required the solidity rhombus right angles roof RULE sector segment slant height SLIDING RULE solid content solid feet specific gravity sphere spheroid square pyramid square root superficial content surface thickness trapezium triangle versed sine vessel zone
Populære avsnitt
Side 245 - 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.
Side 42 - From eight times the chord of half the arc, subtract the chord of the whole arc, and divide the remainder by 3, and the quotient will be the length of the arc, nearly.
Side 185 - ... the breadth, the remainder shall be esteemed the just length of the keel to find the tonnage ; and the breadth shall be taken from the outside of the outside plank in the broadest place in the ship, be it either above or below the main wales...
Side 162 - PAINTERS' WORK. PAINTERS' work is computed in square yards. Every part is measured where the colour lies ; and the measuring line is forced into all the mouldings and corners. Windows are done at so much a piece. And it is usual to allow double measure for carved mouldings, &c.
Side 50 - BAC is cut off from the given circle ABC containing an angle equal to the given angle D : Which was to be done. PROP. XXXV. THEOR. If two straight lines within a circle cut one another, the rectangle contained by the segments of one of them is equal to the rectangle contained by the segments of the other.
Side 3 - The circumference of every circle is supposed to be divided into 360 equal parts, called degrees ; and each degree into 60 equal parts, called minutes ; and each minute into 60 equal parts, called seconds ; and these into thirds, etc.
Side 6 - The diameter of a circle is a straight line passing through the center, and terminated, both ways, by the circumference.
Side 95 - Rule 2. From three times the diameter of the sphere subtract twice the height of the segment; multiply this remainder by the square of the height and the product by 0.5236.
Side 133 - Rule. Set 12 on B to the breadth in inches on A ; then against the length in feet on B, is the content on A> in feet and fractional parts.
Side 49 - Find also the area of the triangle, formed by the chord of the segment and the two radii of the sector. Then...