Elements of the Geometry of Planes and Solids: With Four PlatesThe author, 1828 - 159 páginas |
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Página 3
... circle described , both of which it supposes exact , without entering on the question how near this accuracy may be attain- able in the mechanical practice . 2 Upon these few and simple data the science is built , by the synthetical ...
... circle described , both of which it supposes exact , without entering on the question how near this accuracy may be attain- able in the mechanical practice . 2 Upon these few and simple data the science is built , by the synthetical ...
Página 12
... circle is the straight line between the centre and the circumference of the circle , CD , CA , CB , in figure 2 , are radii , and these are all equal . The circle is therefore described by the revolution of this line , or the radius ...
... circle is the straight line between the centre and the circumference of the circle , CD , CA , CB , in figure 2 , are radii , and these are all equal . The circle is therefore described by the revolution of this line , or the radius ...
Página 13
... circle can be described with any line as Radius . AXIOM . 1. Magnitudes which exactly coincide , or cover one another , are equal . 2. Two straight lines cannot include a space . CHAPTER II . Of Straight Lines ; first Elements of CHAP ...
... circle can be described with any line as Radius . AXIOM . 1. Magnitudes which exactly coincide , or cover one another , are equal . 2. Two straight lines cannot include a space . CHAPTER II . Of Straight Lines ; first Elements of CHAP ...
Página 14
... circle BCD ; and from the point B , as centre , with the same line AB , describe the circle ACE ; from C , a point of intersection of the circumferences of these two circles draw the straight lines CA , and CB , to the two extremities ...
... circle BCD ; and from the point B , as centre , with the same line AB , describe the circle ACE ; from C , a point of intersection of the circumferences of these two circles draw the straight lines CA , and CB , to the two extremities ...
Página 15
... circle BEG , which will cut the protracted DA , because the centre A , lies in it ; let this point of intersection be E ; from the cen- tre D , with DE , as radius describe the circle EFH , which will cut the protracted DC , because the ...
... circle BEG , which will cut the protracted DA , because the centre A , lies in it ; let this point of intersection be E ; from the cen- tre D , with DE , as radius describe the circle EFH , which will cut the protracted DC , because the ...
Otras ediciones - Ver todas
Elements of the Geometry of Planes and Solids: With Four Plates Ferdinand Rudolph Hassler Vista de fragmentos - 1828 |
Elements of the Geometry of Planes and Solids: With Four Plates (Classic ... F. R. Hassler Sin vista previa disponible - 2018 |
Términos y frases comunes
ABCD angle equal angle G angles opposite angular point APPLIC base and altitude bisect centre chord circumference circumscribed circle common intersection cone Corol cutting line cylinder Demonstr describe determine diagonal diameter draw drawn equal angles equal base equal sides equiangular equilateral triangle four right angles frustum given angle given circle given lines given point given straight line given triangle gles greater inner angles inscribed join line BC opposite angles parallel planes parallelepiped parallelogram perpendicular plane angles Plane Geometry point of intersection prisms PROBLEM Proof proportional protracted pyramid quadrilateral figure radii radius ratio rectilineal figure regular poligon Scholium segment side AC similar similar triangles six right solid angle solid content sphere square subtended supposition surface tangent thence THEOREM third plane third side three plane three sides triangle ABC triangular vertex
Pasajes populares
Página 44 - IN right angled triangles, the rectilineal figure described upon the side opposite to the right angle, is equal to the similar and similarly described figures upon the sides containing the right angle...
Página 20 - If two triangles have the three sides of the one equal to the three sides of the other, each to each, the triangles are congruent.
Página 11 - A plane rectilineal angle is the inclination of two straight lines to one another, which meet together, but are not in the same straight line.
Página 2 - BBOWN, of the said district, hath deposited in this office the title of a book, the right whereof he claims as author, in the words following, to wit : " Sertorius : or, the Roman Patriot.
Página 36 - 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 119 - If a solid angle be contained by three plane angles, any two of them are together greater than the third. Let the solid angle at A be contained by the three plane angles BAC, CAD, DAB : any two of them shall be together greater than the third.
Página 61 - UPON a given straight line to describe a segment of a circle containing an angle equal to a given rectilineal angle. Let AB be the given straight line, and...
Página 113 - If one of two parallel lines is perpendicular to a plane, the other is also perpendicular to the plane.
Página 29 - EBF, there are two angles in the one equal to two angles in the other, each to each ; and the side EF, which is opposite to one of the equal angles in each, is common to both ; therefore the other sides are equal ; (I.
Página 16 - E the centre of the circle, and join EA, EB. Then, because AF is equal to FB, and FE common to the two triangles AFE, BFE, there are two sides in the one, equal to two sides in the other, and the base EA is equal to the base EB; therefore the angle AFE is equal...