The principles of architecture, Τόμος 11809 |
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Αποτελέσματα 1 - 5 από τα 17.
Σελίδα 3
... ten , an undecagon eleven , and a dodecagon twelve sides . 40. A regular polygon hath all its sides and angles equal ; and if they are not equal , the polygon is irregular . 41. An equilateral triangle is also a regular figure of three ...
... ten , an undecagon eleven , and a dodecagon twelve sides . 40. A regular polygon hath all its sides and angles equal ; and if they are not equal , the polygon is irregular . 41. An equilateral triangle is also a regular figure of three ...
Σελίδα 14
... ten times round , will also form the decagon . PROBLEM XXIII . In a given circle to inscribe any regular polygon . 1. Draw the diameter A B , from E the centre , erect the perpendicular E F C , cutting the circle at F. 2. Divide E Finto ...
... ten times round , will also form the decagon . PROBLEM XXIII . In a given circle to inscribe any regular polygon . 1. Draw the diameter A B , from E the centre , erect the perpendicular E F C , cutting the circle at F. 2. Divide E Finto ...
Σελίδα 58
... ten times as great as an unit in the first place ; so that 2 in the second place would signify two tens , and 3 three tens . In general , every unit towards the left hand , is ten times as great as the next unit towards the right ; so ...
... ten times as great as an unit in the first place ; so that 2 in the second place would signify two tens , and 3 three tens . In general , every unit towards the left hand , is ten times as great as the next unit towards the right ; so ...
Σελίδα 59
... tens ; and the third , hundreds of that half period . The following table exhibits a summary of the whole doctrine : Quadrillions . 738,452 . Trillions . 436,136 . Billions . 345,984 . Millions . 412,624 . Units . 213,469 . th . un . th ...
... tens ; and the third , hundreds of that half period . The following table exhibits a summary of the whole doctrine : Quadrillions . 738,452 . Trillions . 436,136 . Billions . 345,984 . Millions . 412,624 . Units . 213,469 . th . un . th ...
Σελίδα 60
... tens under tens , and hundreds under hundreds , & c . II . Begin the place of units , reckon up all the figures in that place from bottom to top : take as many tens out of it as you can , set down the overplus , and carry the tens to ...
... tens under tens , and hundreds under hundreds , & c . II . Begin the place of units , reckon up all the figures in that place from bottom to top : take as many tens out of it as you can , set down the overplus , and carry the tens to ...
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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?