The principles of architecture, Τόμος 11809 |
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Σελίδα xxviii
... half the arc 165 167 - - 169 XI . To find the length of any are of a circle , the chord and height of the arc being given · 170 XII . The chord and height of the segment being given , to find the radius of the circle XIII . Given any ...
... half the arc 165 167 - - 169 XI . To find the length of any are of a circle , the chord and height of the arc being given · 170 XII . The chord and height of the segment being given , to find the radius of the circle XIII . Given any ...
Σελίδα 4
... half the circle , or a segment cut off by the diameter , as E. 49. A sector is any part of a circle bounded by an arc and two radii , drawn to its extremities , as F. 50. A quadrant , or quarter of a circle , is a sector , having a ...
... half the circle , or a segment cut off by the diameter , as E. 49. A sector is any part of a circle bounded by an arc and two radii , drawn to its extremities , as F. 50. A quadrant , or quarter of a circle , is a sector , having a ...
Σελίδα 5
... half A B , describe arcs cutting each other in c and d . 2. Draw the line c d and the point E , where it cuts A B , will be the middle of the line required , PROBLEM II . From a given point C , in a given right line A B , to erect a ...
... half A B , describe arcs cutting each other in c and d . 2. Draw the line c d and the point E , where it cuts A B , will be the middle of the line required , PROBLEM II . From a given point C , in a given right line A B , to erect a ...
Σελίδα 11
... half the segment ; the other half will be described in the same manner , which will complete the whole segment , as was required . C 2 FIG . III FIG . III . Another method by means of points PRACTICAL GEOMETRY . 11.
... half the segment ; the other half will be described in the same manner , which will complete the whole segment , as was required . C 2 FIG . III FIG . III . Another method by means of points PRACTICAL GEOMETRY . 11.
Σελίδα 12
... half chord . 3. From B , make B H perpendicular to D B , cutting G H in H , make D G equal to D H. 4. Draw A F and B E , each perpendicular to A B , cutting GII in F and E. 5. Divide D G , DH ; CA , C B ; and A F , BE ; each into a like ...
... half chord . 3. From B , make B H perpendicular to D B , cutting G H in H , make D G equal to D H. 4. Draw A F and B E , each perpendicular to A B , cutting GII in F and E. 5. Divide D G , DH ; CA , C B ; and A F , BE ; each into a like ...
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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?