The principles of architecture, Τόμος 11809 |
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Αποτελέσματα 1 - 5 από τα 25.
Σελίδα 4
... joining the extremities of an arc , as ab , at C. 47. A segment is any part of a circle , bounded by an arc and its chord , as D .. 48. A semicircle is half the circle , or a segment cut off by the diameter , as E. 49. A sector is any ...
... joining the extremities of an arc , as ab , at C. 47. A segment is any part of a circle , bounded by an arc and its chord , as D .. 48. A semicircle is half the circle , or a segment cut off by the diameter , as E. 49. A sector is any ...
Σελίδα 8
... Join the points A 5 , 14 , 23 , & c . , and A B will be divided as was required PROBLEM IX . To find the centre of a given circle , or one already described . 1 Draw any chord A B , and bisect it with the perpen- dicular C D 2. Bisect ...
... Join the points A 5 , 14 , 23 , & c . , and A B will be divided as was required PROBLEM IX . To find the centre of a given circle , or one already described . 1 Draw any chord A B , and bisect it with the perpen- dicular C D 2. Bisect ...
Σελίδα 9
... Join C B , bisect it in g , draw g h perpendicular , cutting A eh at h , then h will also be in the same circumference with A , C , B. In the same manuer may a point be found between Ch , and h B. VOL . I. PROBLEM PROBLEM XIV . Given ...
... Join C B , bisect it in g , draw g h perpendicular , cutting A eh at h , then h will also be in the same circumference with A , C , B. In the same manuer may a point be found between Ch , and h B. VOL . I. PROBLEM PROBLEM XIV . Given ...
Σελίδα 11
... join E B. 3. Make a triangle E , D , B , put in pins at the points A , D , B , then move your triangle round the points D and B , and the` angular point will describe half the segment ; the other half will be described in the same ...
... join E B. 3. Make a triangle E , D , B , put in pins at the points A , D , B , then move your triangle round the points D and B , and the` angular point will describe half the segment ; the other half will be described in the same ...
Σελίδα 13
... Join fn , ml , ki , hg , it will be the octagon required . PROBLEM XX . In a given circle to inscribe an equilateral tri- angle , an hexagon , or a dodecagon . For the equilateral triangle . 1. Upon any point A , in the circumference ...
... Join fn , ml , ki , hg , it will be the octagon required . PROBLEM XX . In a given circle to inscribe an equilateral tri- angle , an hexagon , or a dodecagon . For the equilateral triangle . 1. Upon any point A , in the circumference ...
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Συχνά εμφανιζόμενοι όροι και φράσεις
A B C axes Bisect the arc chord circumference CONIC SECTIONS conjugate axis curve cutting A B cutting the circle cylinder decagon decimals denomination describe an ellipsis describe the arc distance divide divisor dodecagon double ordinate draw E F draw G H Draw the diagonals draw the lines equal to A B equilateral EXAMPLE F and G F draw feet figure frustum G PROB given number given point height hyperbola Join Latus rectum lipsis Multiply number of equal parabola parallel to A B perpendicular perpendicular to A B plane point E points F polygon PROBLEM PROBLEM PROBLEM XI quotient radius rectangle regular polygon right angles right line A B segment solidity square tangent transverse axis trapezium triangle vulgar fraction
Δημοφιλή αποσπάσματα
Σελίδα 141 - 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 108 - RULE. Divide the numerator by the denominator, and the quotient will be the whole or mixed number sought.
Σελίδα xxxviii - Plane figures that are bounded by right lines have names according to the number of their sides, or of their angles ; for they have as many sides as angles ; the least number being three.
Σελίδα xxxviii - A Right angle is that which is made by one line perpendicular to another. Or when the angles on each side are equal to one another, they are right angles.
Σελίδα 139 - ROOT of any given number, or power, is such a number as, being multiplied by itself a certain number of times, will produce the power ;. and it is denominated the first, second, third, fourth, fcfc.
Σελίδα 155 - From half the sum of the three sides, subtract each side severally; multiply the half sum, and the three remainders together, and the square root of the product will be the area required.
Σελίδα 92 - Having arranged the numbers so that the smaller may stand under the greater, subtract each number in the lower line from that which stands above it, and write down the remainders. When any of the lower denominations are greater than the upper, increase the upper number by as many as make one of the next higher denomination, from which take the figure...
Σελίδα 137 - RULE. Multiply the given number, or first power continually by itself, till the number of multiplications be 1 less than the index of the. power to be found, and the last product will be the power required.
Σελίδα xxxvii - Line, or Straight Line, lies all in the same direction between its extremities, and is the shortest distance between two points.
Σελίδα 7 - From A, one end of the line, draw A c, making any angle with AB ; and from B, the other end, draw B d, making the angle AB c?