A Popular Course of Pure and Mixed Mathematics ...: With Tables of Logarithms, and Numerous Questions for ExerciseG. B. Whittaker, 1825 - 372 σελίδες |
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Αποτελέσματα 6 - 10 από τα 100.
Σελίδα 520
... OY INSTRUMENTS USEFUL IN MATHEMATICAL PROJECTION. Fig . 10 . 230 Fig.1 . Fig . 2 . Fig.7 . Page bot Fig . 8 . G 60 Chords 30 Equal Parts Fig.12 . C Prob . 1. - To bisect a given line AB PRACTICAL GEOMETRY . PRACTICAL GEOMETRY PROBLEMS Page.
... OY INSTRUMENTS USEFUL IN MATHEMATICAL PROJECTION. Fig . 10 . 230 Fig.1 . Fig . 2 . Fig.7 . Page bot Fig . 8 . G 60 Chords 30 Equal Parts Fig.12 . C Prob . 1. - To bisect a given line AB PRACTICAL GEOMETRY . PRACTICAL GEOMETRY PROBLEMS Page.
Σελίδα 520
... PROJECTION & Arocket Case of Mathematical Instruments contains the following Articles : 1. A pair of PLAIN COMPASSES . 2. A pair of DRAWING COM- PASSES . with its several parts . 3. A DRAWING PEN and POINTER . 4. A PROTRACTOR , in form ...
... PROJECTION & Arocket Case of Mathematical Instruments contains the following Articles : 1. A pair of PLAIN COMPASSES . 2. A pair of DRAWING COM- PASSES . with its several parts . 3. A DRAWING PEN and POINTER . 4. A PROTRACTOR , in form ...
Σελίδα 520
... projection of that object . The lines generating that projection , taken altogether , are termed the system of rays . And , when these rays pass all through one point , they are denominated a pyramid of rays , and when this point is in ...
... projection of that object . The lines generating that projection , taken altogether , are termed the system of rays . And , when these rays pass all through one point , they are denominated a pyramid of rays , and when this point is in ...
Σελίδα 520
... projection abcd made by them , is called the ichno- graphy of the object . Again , in fig . 2 , let the rays Aa , Bb , Cc , & c . be parallel to each other , and perpendicular to the plane GHLM , on which the projection is made , and ...
... projection abcd made by them , is called the ichno- graphy of the object . Again , in fig . 2 , let the rays Aa , Bb , Cc , & c . be parallel to each other , and perpendicular to the plane GHLM , on which the projection is made , and ...
Σελίδα 522
... projection of that object . In order that the stude may comprehend more fully the true import of these definitions ... projection of any object , is the same as the schenographic projection of 522 PERSPECTIVE .
... projection of that object . In order that the stude may comprehend more fully the true import of these definitions ... projection of any object , is the same as the schenographic projection of 522 PERSPECTIVE .
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Συχνά εμφανιζόμενοι όροι και φράσεις
ABC is equal altitude angle ABC angle BAC axis bisected centre circle ABCD circumference co-efficient cone conic section convergency curve cylinder described diameter divided draw equal angles equation equiangular equimultiples factors fluxion fore fraction geometrical progression given straight line gnomon greater Hence hyperbola join less Let ABC magnitudes multiple opposite parabola parallel parallelogram perpendicular plane angles polygon prism produced proportional pyramid Q. E. D. PROP Q. E. D. Proposition radius rectangle rectangle contained rectilineal figure remaining angle right angles segment shewn side BC similar sine solid angle solid parallelopiped spherical triangle square of AC subtract surd tang tangent Theorem third tiple triangle ABC vertex whence Wherefore
Δημοφιλή αποσπάσματα
Σελίδα 172 - If, from the ends of the side of a triangle, there be drawn two straight lines to a point within the triangle, these shall be less than, the other two sides of the triangle, but shall contain a greater angle. Let...
Σελίδα 191 - If a straight line be divided into two equal parts, and also into two unequal parts, the rectangle contained by the unequal parts, together with the square on the line between the points of section, is equal to the square on half the line.
Σελίδα 190 - If a straight line be divided into any two parts, the rectangle contained by the whole and one of the parts, is equal to the rectangle contained by the two parts, together with the square of the aforesaid part.
Σελίδα 196 - 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 the square of the other part.
Σελίδα 192 - If a straight line be bisected and produced to any point, the rectangle contained by the whole line thus produced and the part of it produced, together •with the square on half the line bisected, is equal to the square on the straight line which is made up of the half and the part produced.
Σελίδα 177 - That, if a straight line falling on two straight lines make the interior angles on the same side less than two right angles, the two straight lines, if produced indefinitely, meet on that side on which are the angles less than the two right angles.
Σελίδα 209 - THE straight line drawn at right angles to the diameter of a circle, from the extremity of it, falls without the circle...
Σελίδα 284 - The bases of a cylinder are the circles described by the two revolving opposite sides of the parallelogram.
Σελίδα 286 - If two triangles have two angles of the one equal to two angles of the other, each to each, and one side equal to one side, viz. either the sides adjacent to the equal...
Σελίδα 179 - Therefore all the angles of the figure, together with four right angles, are equal to twice as many right angles as the figure has sides.