An Introduction to Mensuration and Practical GeometryKimber & Sharpless, 1829 - 252 σελίδες |
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Σελίδα 22
... bisect the angle ABC , as was required . PROBLEM III . From a given point C , in a given right line AB , to erect a perpendicular . CASE I. When the point is near the middle of the line . A n m B 1. On each side of the point C take any ...
... bisect the angle ABC , as was required . PROBLEM III . From a given point C , in a given right line AB , to erect a perpendicular . CASE I. When the point is near the middle of the line . A n m B 1. On each side of the point C take any ...
Σελίδα 25
... Bisect the line Cm , or divide it into two equal parts , in the point n . 3. From n , with the radius nm , or nC , describe the arc CGm , cutting AB in G. 4. Through the point C , draw the line CG , and it will be the perpendicular ...
... Bisect the line Cm , or divide it into two equal parts , in the point n . 3. From n , with the radius nm , or nC , describe the arc CGm , cutting AB in G. 4. Through the point C , draw the line CG , and it will be the perpendicular ...
Σελίδα 29
... C E F B D * The centre of a given circle , or of any arc of it , may also be found by joining three points in the circumference , and proceeding as in Prob . XXIV . 1. Draw any chord AB , and bisect it with c 2 PRACTICAL GEOMETRY . 29.
... C E F B D * The centre of a given circle , or of any arc of it , may also be found by joining three points in the circumference , and proceeding as in Prob . XXIV . 1. Draw any chord AB , and bisect it with c 2 PRACTICAL GEOMETRY . 29.
Σελίδα 30
John Bonnycastle. 1. Draw any chord AB , and bisect it with the perpendi- cular CD . 2. Bisect CD , in like manner , with the chord EF , and their intersection O , will be the centre required . PROBLEM X. To draw a tangent to a given ...
John Bonnycastle. 1. Draw any chord AB , and bisect it with the perpendi- cular CD . 2. Bisect CD , in like manner , with the chord EF , and their intersection O , will be the centre required . PROBLEM X. To draw a tangent to a given ...
Σελίδα 31
... bisect it in n . 2. From the point n , with the radius nA , or no , des- cribe the semicircle ABO , cutting the given circle in B. 3. Through the points A , B , draw the line AB , and it will be the tangent required . PROBLEM XI . To ...
... bisect it in n . 2. From the point n , with the radius nA , or no , des- cribe the semicircle ABO , cutting the given circle in B. 3. Through the points A , B , draw the line AB , and it will be the tangent required . PROBLEM XI . To ...
Συχνά εμφανιζόμενοι όροι και φράσεις
9 inches ABCD adba altitude arch axis base Bisect breadth bung cask centre chord of half circle whose diameter circular circular segment circumference cone CONIC SECTIONS conjugate diameter convex surface cube curve cylinder Demon describe arcs cutting describe the arc diagonal distance divided draw the line ellipse equal EXAMPLES feet 6 inches feet 9 figure find the area find the solidity fluxion foot girt give the solidity given line greater end half the arc hexagon hyperbola hypothenuse length less abscissa less end linear side measure multiply the sum ordinate parabola parallel pentagon perpendicular PROBLEM prolate spheroid pyramid quotient radius rectangle regular polygon Required the area Required the solidity rhombus right line roof segment semicircle sine of half slant height SLIDING RULE solid content solidity required specific gravity sphere spheroid square root thickness transverse diameter trapezium ullage versed sine Whence wine gallons yard
Δημοφιλή αποσπάσματα
Σελίδα ii - Co. of the said district, have deposited in this office the title of a book, the right whereof they claim as proprietors, in the words following, to wit : " Tadeuskund, the Last King of the Lenape. An Historical Tale." In conformity to the Act of the Congress of the United States...
Σελίδα 50 - The areas of circles are to each other as the squares of their diameters.
Σελίδα 19 - Parallel straight lines are such as are in the same plane, and which, being produced ever so far both ways, do not meet.
Σελίδα 125 - To find the solidity of a cylinder. RULE. — Multiply the area of the base by the altitude, and the product will be the solidity.
Σελίδα 21 - The circumference of every circle is supposed to be divided into 360 equal parts, called degrees ; each degree into 60 equal parts, called minutes ; and each minute into 60 equal parts, called seconds.
Σελίδα 56 - Multiply the half sum and the three remainders continually together, and the square root of the product will be the area...
Σελίδα 54 - To find the area of a rectangular board, whose length is 12-^ feet, and breadth 9 inches. Ans. 9f feet.
Σελίδα 96 - As the conjugate diameter is to the transverse, So is the square root of the difference of the squares of the ordinate and semi-conjugate, To the distance between the ordinate and centre.
Σελίδα 16 - A sector is any part of a circle bounded by an arc, and two radii drawn to its extremities. A quadrant, or quarter of a circle...
Σελίδα 54 - To find the Area of a Triangle. Rule ] . Multiply the base by the perpendicular height, and half the product will be the area.