The Young Gentleman's Arithmetick, and Geometry: Containing Such Elements of the Said Arts Or Sciences as are Most Useful and Easy to be KnownJ. Knapton, 1714 - 292 σελίδες |
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Σελίδα 184
... perpendicular to AD or AC . And whenever the Legs are perpendicular , the Angle contain'd be- tween them is a right Angle . what . Def.21 . Rectili near Fi- gures , what . Rectilinear Figures are thofe , which are comprehended by right ...
... perpendicular to AD or AC . And whenever the Legs are perpendicular , the Angle contain'd be- tween them is a right Angle . what . Def.21 . Rectili near Fi- gures , what . Rectilinear Figures are thofe , which are comprehended by right ...
Σελίδα 191
... Perpendicular will not fall within the Figure , as Fig . 28. Also it is to be noted , that the contiguous Sides of Rectangles ( whether Squares or Ob . longs ) being always perpendicular , there- fore , their Altitude is given with them ...
... Perpendicular will not fall within the Figure , as Fig . 28. Also it is to be noted , that the contiguous Sides of Rectangles ( whether Squares or Ob . longs ) being always perpendicular , there- fore , their Altitude is given with them ...
Σελίδα 194
... along keep at the fame Distance one from the o- ther , as are the Points , upon which they fall , in the Line to which they are perpendicular . THE- THEOREM I The Sum of any two contiguous An- gles 194 The Young Gentleman's.
... along keep at the fame Distance one from the o- ther , as are the Points , upon which they fall , in the Line to which they are perpendicular . THE- THEOREM I The Sum of any two contiguous An- gles 194 The Young Gentleman's.
Σελίδα 201
... perpendicular to the Line EF ; or , which comes to the fame , be two Par- allels , on which the Line EF falls per ... perpendicular Parallel BG , till it comes to the oblique Parallel AB , fo · ( How to draw a Perpendicular , See Chap ...
... perpendicular to the Line EF ; or , which comes to the fame , be two Par- allels , on which the Line EF falls per ... perpendicular Parallel BG , till it comes to the oblique Parallel AB , fo · ( How to draw a Perpendicular , See Chap ...
Σελίδα 202
... perpendicular Parallel DH , ( as be ing fuppos'd to keep all along parallel to BG , ) till it comes to the other oblique Parallel CD ; and confequently , the An- gles EBA and EDC , being the Remain- ders of two right Angles EBG and EDH ...
... perpendicular Parallel DH , ( as be ing fuppos'd to keep all along parallel to BG , ) till it comes to the other oblique Parallel CD ; and confequently , the An- gles EBA and EDC , being the Remain- ders of two right Angles EBG and EDH ...
Άλλες εκδόσεις - Προβολή όλων
The Young Gentleman's Arithmetick, and Geometry: Containing Such Elements of ... Edward Wells Δεν υπάρχει διαθέσιμη προεπισκόπηση - 2016 |
The Young Gentleman's Arithmetick, and Geometry: Containing Such Elements of ... Edward Wells Δεν υπάρχει διαθέσιμη προεπισκόπηση - 2015 |
Συχνά εμφανιζόμενοι όροι και φράσεις
ABCD alfo Algebraical alſo Altitude Arch arifing Arithmetick Axiom Bafes Bafis becauſe bifect CABDE Cafe call'd Cantabrigian Chap Circle common Fractions confequently confifts contain'd Corol Corollary Cotesbach Cube Cyphers decimal Fractions Decimals defcrib'd defcribe Denomination denote Diſtance divided Dividend Divifion Divifor draw equilateral EXAMPLE exprefs faid fecond Feet feve feveral fhall fhew fhewn Figure fimilar fingle firft firſt folid fome forafmuch fore-going fought four fquare ftands fubftracted fuch fufficient fuppofing Geometrical gures Hence Inches Inftance Integers laft lefs likewife Logarithm Mathematicks Meaſure mixt multiplied muſt Namely Number given obferv'd Obferver oppofite orem Parallelepiped Parallelogram Parallelogram ABCD Pence perform'd Perpendicular Poles Length Product Proportion Quantity Quotient Reafon Rectangle reduc'd refpective requir'd Rhombus right Angles right Line Root Rule ſaid Shillings Sides Square ABCD Term thefe Theorem ther theſe tion Trapezium Triangle ABC Uſe Wherefore whofe
Δημοφιλή αποσπάσματα
Σελίδα 143 - If the errors are alike, divide the difference of the products by the difference of the errors, and the quotient will be the answer.
Σελίδα 182 - ... center of the same circle, subtend equal arcs ; by bisecting the angles at the center, the arcs which are subtended by them are also bisected, and hence, a sixth, eighth, tenth, twelfth, &c. part of the circumference of a circle may be found. If the right angle be considered as divided into 90 degrees, each degree into 60 minutes, and each minute into 60 seconds, and so on, according to the sexagesimal division of a degree ; by the aid of the first corollary to Prop. 32, Book i., may be found...
Σελίδα 209 - B, c, &c, together ; for when the work is right, their sum will be equal to twice as many right angles as the figure has sides, wanting 4 right angles.
Σελίδα 182 - ... evidence of this unsettled terminology. Thus, in WELLS' « The Young Gentleman's Arithmetick, and Geometry » (56) is found the following : « The mutual Inclination of two Lines meeting together, is call'd an Angle. And the Lines thus metting together, are call'd the Legs of the Angle. And the Point, wherein they meet, is call'd the Vertex or Head of the Angle, or the angular Point. » Again, on page 186, he has : « An Oblong is that, which has four right Angles, but only the two opposite sides...
Σελίδα 50 - When your Divifor is 12, or confifts only of one fingle Figure, or can be reduced to one, by cutting off Cyphers from its Right-hand, the Work may be eafily performed in one Line, thus : RULE.
Σελίδα 32 - Rule. often as the Right-hand Figure of the Multiplicator fhews, then as often as the next Figure of the Muitipiicator {hews, and fo on.
Σελίδα 170 - Venturing upon Geometry., than the Notion, that a competent Knowledge of fuch Geometrical Elements^ as are of moft Vfe in the common Concerns of Life, can't be attain d to, without extraordinary Fains and Time.
Σελίδα 33 - Figure thereof may (land under that Figure, of the Multiplicator; from which the faid Product arifes. For Inftance : Multiplicand...