Mensuration and Practical Geometry: Containing Tables of Weights and Measures, Vulgar and Decimal Fractions, Mensuration of Areas, Lines, Surfaces, and Solids ... To which is Appended a Treatise on the Carpenter's Slide-rule and GaugingHarper & brothers, 1858 - 322 σελίδες |
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Σελίδα x
... perpendicular . Signifies triangle , Signifies square , as inches . Signify inequality , or greater than , and are put be- tween two quantities ; as ab reads a greater than b . Signifies the reverse ; as a Lb reads a less than b ...
... perpendicular . Signifies triangle , Signifies square , as inches . Signify inequality , or greater than , and are put be- tween two quantities ; as ab reads a greater than b . Signifies the reverse ; as a Lb reads a less than b ...
Σελίδα 45
... perpendicular to another falling upon it . An Acute Angle is less than a right angle . An Obtuse Angle is greater than a right angle . An Arc is any part of the circumference of a circle . A Chord is a right line joining the extremities ...
... perpendicular to another falling upon it . An Acute Angle is less than a right angle . An Obtuse Angle is greater than a right angle . An Arc is any part of the circumference of a circle . A Chord is a right line joining the extremities ...
Σελίδα 46
... perpendicular let fall from its vertex to the opposite side , called the base . The Measure of an angle is an arc of a circle contained between the two lines that form the angle , and is estimated by the number of de- grees in the arc ...
... perpendicular let fall from its vertex to the opposite side , called the base . The Measure of an angle is an arc of a circle contained between the two lines that form the angle , and is estimated by the number of de- grees in the arc ...
Σελίδα 50
... perpendicular height of a triangle is equal to twice its area di- vided by its base . To ascertain the Area of a Triangle , Figs . 5 , 6 , 7 . RULE . - Multiply the base a b , by the height c d , and half the product is the area . Or ...
... perpendicular height of a triangle is equal to twice its area di- vided by its base . To ascertain the Area of a Triangle , Figs . 5 , 6 , 7 . RULE . - Multiply the base a b , by the height c d , and half the product is the area . Or ...
Σελίδα 53
... perpendicular 18 feet ; what is the hypothenuse ? Ans . 42.5 feet . Ex . 3. The height of a church steeple is 103 feet , and the length of its shadow is 320 feet ; what is the distance from the point of the shadow to the top of the ...
... perpendicular 18 feet ; what is the hypothenuse ? Ans . 42.5 feet . Ex . 3. The height of a church steeple is 103 feet , and the length of its shadow is 320 feet ; what is the distance from the point of the shadow to the top of the ...
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Συχνά εμφανιζόμενοι όροι και φράσεις
12 inches 15 feet 20 feet 20 inches abscissa acres angle ascertain the Area ascertain the Contents base breadth cask Centre of Gravity chord of half Circular Spindle circumference cone conic section contents in cubic contents required convex surface cube cubic feet cubic foot cubic inches curve cycloid cylinder decimals diam divided equal eter EXAMPLE EXAMPLE.-What figure fraction gauge point geometrical centre give the contents half the arc head diameter Hence hexahedron hyperbola hyperboloid Hyperboloid of Revolution inches in diameter inscribed sphere length less diameter linear edge Loomis's middle diameter middle frustrum miles multiply the sum ordinate parabolic spindle perpendicular prism product will give prolate spheroid pyramid quired quotient radii radius remainder result required rule RULE.-Multiply the area sector segment slant height spherical square root subtract surface required transverse diameter triangle ungula versed sine vertex volume VULGAR FRACTIONS yards zone
Δημοφιλή αποσπάσματα
Σελίδα 45 - The circumference of every circle is supposed to be divided into 360 equal parts, • called degrees, each degree into 60 minutes, and each minute into 60 seconds, etc.
Σελίδα 22 - To reduce a compound fraction to an equivalent simple one. RULE. — Multiply all the numerators together for a numerator, and all the denominators together for the denominator, and they will form the simple fraction sought.
Σελίδα 22 - To reduce a whole number to an equivalent fraction, having a given denominator. RULE. Multiply the whole number by the given denominator, and place the product over the said denominator, and it will form the fraction required.
Σελίδα 22 - To reduce an improper fraction to its equivalent whole or mixed number. RULE. — Divide the numerator by the denominator, and the quotient will be the whole or mixed number sought.
Σελίδα 31 - ... from the right hand of the quotient, point off so many places for decimals, as the decimal places in the dividend exceed those in the divisor.
Σελίδα 39 - Multiply the divisor, thus augmented, by the last figure of the root, and subtract the product from the dividend, and to the remainder bring down the next period for a new dividend.
Σελίδα 20 - Divide by any number that will divide two or more of the given numbers without a remainder, and set the quotients, together with the undivided numbers, in a line beneath.
Σελίδα 69 - ... troublesome and laborious that it must have cost him incredible pains. It is said to have been thought so curious a performance, that the numbers were cut on his tomb-stone in St. Peter's Church-yard at Leyden.
Σελίδα 84 - FIND the area of the sector having the same arc with the segment, by the last problem. Find also the area of the triangle, formed by the chord of the segment and the two radii of the sector.