A Treatise on Mensuration for the Use of SchoolsCommissioners of national education, 1837 - 262 sider |
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Resultat 1-5 av 53
Side 29
... feet , and per- pendicular breadth 10 feet ? Ans . 16 x 10 = 160 feet , the area . D A E C B F 2. What is the ... 20 feet 3 inches . PROBLEM IV . To find the area of a Triangle . RULE . Multiply the base by the perpendicular height , and ...
... feet , and per- pendicular breadth 10 feet ? Ans . 16 x 10 = 160 feet , the area . D A E C B F 2. What is the ... 20 feet 3 inches . PROBLEM IV . To find the area of a Triangle . RULE . Multiply the base by the perpendicular height , and ...
Side 31
... 20-619 the area as before . = 2. What is the area of a triangle whose sides ... 20 , and each of its equal sides 15 ? Ans . 111.803 . 5. How many acres are ... feet ? 7. How many acres , & c . in a triangle , whose three sides are 49 ...
... 20-619 the area as before . = 2. What is the area of a triangle whose sides ... 20 , and each of its equal sides 15 ? Ans . 111.803 . 5. How many acres are ... feet ? 7. How many acres , & c . in a triangle , whose three sides are 49 ...
Side 37
... feet 6 inches , and 8 feet 3 inches ; and the perpendicula height 5 feet 8 inches ? Ans . 36 feet 1 inches . 4. What ... 20 . + In finding the area of an irregular figure , draw a line through the extreme angles of the figure , on which ...
... feet 6 inches , and 8 feet 3 inches ; and the perpendicula height 5 feet 8 inches ? Ans . 36 feet 1 inches . 4. What ... 20 . + In finding the area of an irregular figure , draw a line through the extreme angles of the figure , on which ...
Side 41
... feet , what is its area ? Ans . 482-84271 . 6. The side of a nonagon is 50 inches , what is its area ? Ans . 15454-5605 . 7. The side of an undecagon is 20 , what is its area ? Ans . 3746.25616 . 8. The side of a dodecagon is 40 yards ...
... feet , what is its area ? Ans . 482-84271 . 6. The side of a nonagon is 50 inches , what is its area ? Ans . 15454-5605 . 7. The side of an undecagon is 20 , what is its area ? Ans . 3746.25616 . 8. The side of a dodecagon is 40 yards ...
Side 42
... 20 feet , and the chord A B of the whole arc 38 , what is the length of the arc ? 20 × 8—38 = 122 ; then 122 ÷ 3 = 403 feet , Ans . * See Appendix , Demonstration 23 . † See Appendix , Demonstration 24 . 3. The chord of an arc is 6 feet ...
... 20 feet , and the chord A B of the whole arc 38 , what is the length of the arc ? 20 × 8—38 = 122 ; then 122 ÷ 3 = 403 feet , Ans . * See Appendix , Demonstration 23 . † See Appendix , Demonstration 24 . 3. The chord of an arc is 6 feet ...
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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 acres altitude Appendix avoirdupois base bung diameter cask centre chain chord circle circular circumference circumscribed circle conjugate contained cube cubic feet cubic inches cylinder deduct Demonstration depth dimensions distance divide elliptical feet 6 inches feet 9 feet long figure find the area find the content find the solidity fluid foot frustum gauge-point give the area given half hyperbola imperial gallons inches broad length and breadth line A B malt bushels measure middle diameter multiply the sum nonagon ordinate parabolic parallel perches perpendicular perpendicular height piece of timber polygon pounds prism PROBLEM VIII pyramid quarter girt quotient radius required the area Required the solidity rhombus right angles roof segment slant height SLIDING RULE solid content solid feet specific gravity spheroid spindle square pyramid square root superficial content surface thickness transverse axis trapezium triangle ullage vessel zone
Populære avsnitt
Side 174 - ... find how much each loses in water by subtracting its weight in water from its weight in air ; and subtract the less of these remainders from the greater; then...
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 85 - To find the solidity of a prism. RULE. — Multiply the area of the base by the height, and the product is the solidity.
Side 49 - Find also the area of the triangle, formed by the chord of the segment and the two radii of the sector. Then...
Side 133 - By the Sliding 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 225 - Add into one sum 39 times the square of the bung diameter, 25 times the square of the head diameter, and 26 times the product of the two diameters : then multiply the sum by the length, and the product again by — —for wine gallons, or by- — — — or .00003TV, for ale '
Side 248 - ... it. For in these cases, any small errors will be so multiplied, as to render it very much distorted. 1. Walk over the estate two or three times, in order to get a perfect idea of it, and till you can carry the map of it tolerably well in your head.