The Young Geometrician's Companion: Being A New and Comprehensive Course of Practical Geometry ... Containing. An easy introduction to decimal arithmetic .... Such definitions, axioms, problems, theorems, and characters, as necessarily lead to the knowledge of this science. Planometry, or the mensuration of superficies. Stereometry, ot he mensuration of solids. The sections of a cone .... The Platonic bodies ... To which is added a collection of problems shewing that lines and angles may be divided in infinitum; that superficies and solids may be so cut as to appear considerably augmented; and, that the famous problem of Archimedes, of moving the earth, is capable of an easy and accurate demonstration, Τόμος 6S. Crowder, 1787 - 240 σελίδες |
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Σελίδα vi
... Point in a Right Line given 721 To erect a Perpendicular on the End of a Right Line 73 To let fall a Perpendicular upon a Right Line given 74 To draw a Line parallel to another Line given To lay down an Angle of any Number of Degrees 75 ...
... Point in a Right Line given 721 To erect a Perpendicular on the End of a Right Line 73 To let fall a Perpendicular upon a Right Line given 74 To draw a Line parallel to another Line given To lay down an Angle of any Number of Degrees 75 ...
Σελίδα vii
... Points To draw a Tangent to a given Circle To defcribe a Geometrical Oval , the Length only being given 77 78 79 80 81 88 82 83 84 85 88 89 To describe a Geometrical Oval by another Method Two Right Lines being given , to find a third ...
... Points To draw a Tangent to a given Circle To defcribe a Geometrical Oval , the Length only being given 77 78 79 80 81 88 82 83 84 85 88 89 To describe a Geometrical Oval by another Method Two Right Lines being given , to find a third ...
Σελίδα xi
... Point in a given Right Line , from which the Sum of the Distances of two Objects fhall be the leaft poffible The Nature of Cube Numbers exemplified in mea- furing Stacks of Hay 213 214 215 217 219 220 221 222 223 224 225 226 To find the ...
... Point in a given Right Line , from which the Sum of the Distances of two Objects fhall be the leaft poffible The Nature of Cube Numbers exemplified in mea- furing Stacks of Hay 213 214 215 217 219 220 221 222 223 224 225 226 To find the ...
Σελίδα 2
... Point or Dot is ufed inftead of it . Thus ( 58 or .397 are Decimals . If a Number confifts of a whole Number and a Decimal , it is called a mixt Number . If a Decimal ends at a certain Number of Places , it is faid to be Finite : But if ...
... Point or Dot is ufed inftead of it . Thus ( 58 or .397 are Decimals . If a Number confifts of a whole Number and a Decimal , it is called a mixt Number . If a Decimal ends at a certain Number of Places , it is faid to be Finite : But if ...
Σελίδα 5
... Points , exactly under one another ; and to cut off in the whole Sum as many Figures towards the Right Hand , as there are Decimals in the greater Num- ber . Thus , in the Second Example , because there are 4 Decimals in the third Line ...
... Points , exactly under one another ; and to cut off in the whole Sum as many Figures towards the Right Hand , as there are Decimals in the greater Num- ber . Thus , in the Second Example , because there are 4 Decimals in the third Line ...
Συχνά εμφανιζόμενοι όροι και φράσεις
12 Inches alfo Anſwer Archimedes Axis Bafe Baſe becauſe Breadth called Center Chord Circle Circum Circumference Compaffes Cone confequently confifts Conftruction Conic Sections Conoid Crample Cube Root Cyphers defcribe the Arch Diameter A B Dimenfions Diſtance divide Dividend Divifor draw the Line Ellipfis Example faid fame Feet fet one Foot Figure find the Area find the Length find the Solidity Firft firſt fome fought Fruftum fubtract fuch Geometrical give the Solidity given Line given Number half Hexaëdron Hyperbola Icofaëdron Inches interfecting itſelf laft Product Laftly laſt Latus Rectum lefs Let ABCD Line A B Line given Magic Squares Mean Proportional meaſure multiplied muſt Operation Parabola Parallelogram Platonic Solids Point Problem Pyramid Quotient Refolvend Rhombus Right Angle Rule Segment Solid Content Solidity required Sphere Spheroid Square Root Stereometry Superficial Content Suppofe Theorem theſe thofe thoſe Tranfverfe Diameter Trapezium Triangle uſeful Vertex Vulgar Fraction whole Number whoſe
Δημοφιλή αποσπάσματα
Σελίδα 95 - To divide a given straight line into two parts, so that the rectangle contained by the whole, and one of the parts, shall be equal to the square of the other part. Let AB be the given straight line; it is required to divide it into two parts, so that the rectangle contained by the whole, and one of the parts, shall be equal to thcsquare of the other part.
Σελίδα 181 - Rule: To twice the square of the middle diameter, add the square of the diameter of...
Σελίδα 33 - Multiply the two given numbers together, and extract the square root of the product, which root will be the mean proportional sought. EXAMPLES. (1) What is the mean proportional between 4 and 9 ? (2) What is the mean proportional between 16 and 36?
Σελίδα 149 - For the surface of a segment or frustum, multiply the whole circumference of the sphere by the height of the part required.
Σελίδα 120 - As 7 is to 22, so is the diameter to the circumference. Or as 113 is to 355, so is the diameter to the circumference. • Or as 1 is to 3.1416, so is the diameter to the circumferenc".
Σελίδα 138 - This error, though it. is b«! small, when the depth and breadth are pretty near equal, yet if the difference...
Σελίδα 175 - To find the solidity of a spheroid. — Multiply the square of the revolving axe by the fixed axe, and this product again by -5236, and it will give the solidity required.
Σελίδα 213 - DF'E. Hence the entire area of the (!i GP cycloid is equal to three times the area of the generating circle.
Σελίδα 133 - To find the side of a square equal in area to any given superfices.
Σελίδα 28 - Divifion, write the anfwer in the Quotient, and alfo on the right hand of the Divifor...