A Royal Road to Geometry: Or, an Easy and Familiar Introduction to the Mathematics. ... By Thomas Malton. ...author, and sold, 1774 - 440 páginas |
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Página
... prove an additional inducement to your excufing the liberty I have taken , in thus foliciting Your Patronage and Protection ; for a Work , whofe Subject , alone , is fufficient to justify the attention You may please to honour it with ...
... prove an additional inducement to your excufing the liberty I have taken , in thus foliciting Your Patronage and Protection ; for a Work , whofe Subject , alone , is fufficient to justify the attention You may please to honour it with ...
Página iv
... proved to be equal to the two remote Angles of the Triangle ; and , that all the three Angles , of every Triangle , are equal to two right ones ; it feems abfurd to prove , before hand , that any two of the Angles are lefs than two ...
... proved to be equal to the two remote Angles of the Triangle ; and , that all the three Angles , of every Triangle , are equal to two right ones ; it feems abfurd to prove , before hand , that any two of the Angles are lefs than two ...
Página 3
... proved or demonftrated , contemplatively ; or , it proposes fomething to be done , problematically or mechanically . A CONVERSE PROPOSITION is the contrary of the other ; that , which in the foregoing was the Conclufion , drawn from the ...
... proved or demonftrated , contemplatively ; or , it proposes fomething to be done , problematically or mechanically . A CONVERSE PROPOSITION is the contrary of the other ; that , which in the foregoing was the Conclufion , drawn from the ...
Página 4
... proving it to be abfurd , or impoffible to be on that fuppofition ; which , not being direct and pofitive , is , to many , very unfatisfactory ; yet , if rightly confidered , is full , though not direct Demonftration . CONSTRUCTION , is ...
... proving it to be abfurd , or impoffible to be on that fuppofition ; which , not being direct and pofitive , is , to many , very unfatisfactory ; yet , if rightly confidered , is full , though not direct Demonftration . CONSTRUCTION , is ...
Página 37
... proved as the foregoing . After the fame manner an Ark of a Circle may be bi- fected ; as AFB in the Point F. N. B. It is not neceffary to draw the whole Arks from C to D , but only the Interfections at C and D ; the reft are useless ...
... proved as the foregoing . After the fame manner an Ark of a Circle may be bi- fected ; as AFB in the Point F. N. B. It is not neceffary to draw the whole Arks from C to D , but only the Interfections at C and D ; the reft are useless ...
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A Royal Road to Geometry: Or, an Easy and Familiar Introduction to the ... Thomas Malton Sin vista previa disponible - 2016 |
Términos y frases comunes
ABCD alfo alfo equal alſo Altitudes Angle ABC Area Bafe Baſe becauſe bifected Center Chord Circle circumfcribing Circumference Cone conf confequently Conftruction contains cuting Cylinder defcribe Demonftration Diagonal Diameter divided Divifions draw drawn Ellipfis equal Angles equiangular Euclid external Angle fame manner fame Plane fame Ratio fecond fhall Figure fimilar fince firft firſt fome fquare fubtends fuch fuppofe Geometry given Line greater half Heptagon Ifofceles Inches infcribed interfecting laft lefs manifeft mean Proportional meaſure multiplied neceffary Nonagon oppofite parallel Parallelogram Parallelopiped Pentagon perpendicular pleaſure Point Poligon Prifm Priſm Prob Propofition Pyramid Quantities Radius reaſon Rect Rectangle refpectively Right Angles Right Line Segment Sides Sphere Square Tangent THEOREM thofe thoſe Trapezium Triangle ABC uſe wherefore whofe
Pasajes populares
Página 118 - When you have proved that the three angles of every triangle are equal to two right angles...
Página 215 - All the interior angles of any rectilineal figure, together with four right angles, are equal to twice as many right angles as the figure has sides.
Página 279 - EG, let fall from a point in the circumference upon the diameter, is a mean proportional between the two segments of the diameter DS, EF (p.
Página 278 - IN a right-angled triangle, if a perpendicular be drawn from the right angle to the base, the triangles on each side of it are similar to the whole triangle, and to one another.
Página 180 - From this it is manifest, that if one angle of a triangle be equal to the other two, it is a right angle, because the angle adjacent to it is equal to the same two; and when the adjacent angles are equal, they are right angles.
Página 242 - To express that the ratio of A to B is equal to the ratio of C to D, we write the quantities thus : A : B : : C : D; and read, A is to B as C to D.
Página 155 - In any triangle, if a line be drawn from the vertex at right angles to the base; the difference of the squares of the sides is equal to the difference of the squares of the segments of the base.
Página 154 - In any isosceles triangle, the square of one of the equal sides is equal to the square of any straight line drawn from the vertex to the base plus the product of the segments of the base.
Página 244 - Ratios that are the same to the same ratio, are the same to one another. Let A be to B as C is to D ; and as C to D, so let E be to F.
Página 118 - Angles, taken together, is equal to Twice as many Right Angles, wanting four, as the Figure has Sides.