A Popular Course of Pure and Mixed Mathematics ...: With Tables of Logarithms, and Numerous Questions for Exercise |
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Σελίδα xxv
1 1 1 of such a body , its motion may be resolved into two , one parallel to that surface , and the other perpendicular to it . Of these , the first is not affected by the attraction of the body , which is perpendicular to its own ...
1 1 1 of such a body , its motion may be resolved into two , one parallel to that surface , and the other perpendicular to it . Of these , the first is not affected by the attraction of the body , which is perpendicular to its own ...
Σελίδα 168
It is required to draw a straight line perpendicular to AB from the E point C. Take any point D upon the other side of AB , and from the centre c , at the distance CD , describe ( 3 Post . ) the circle EGF meeting AB in F and G ...
It is required to draw a straight line perpendicular to AB from the E point C. Take any point D upon the other side of AB , and from the centre c , at the distance CD , describe ( 3 Post . ) the circle EGF meeting AB in F and G ...
Σελίδα 197
In obtuse angled triangles , if a perpendicular be drawn from any of the acute angles to the opposite side produced , the square of the side subtending the obtuse angle is greater than the squares of the sides containing the obtuse ...
In obtuse angled triangles , if a perpendicular be drawn from any of the acute angles to the opposite side produced , the square of the side subtending the obtuse angle is greater than the squares of the sides containing the obtuse ...
Σελίδα 198
Lastly let the side AC be perpendicular to BC ; then is BC the straight line between the perpendicular and the acute angle at B ; and it is manifest , that the squares of AB , BC , are equal ( 47. 1. ) to the square of AC and twice the ...
Lastly let the side AC be perpendicular to BC ; then is BC the straight line between the perpendicular and the acute angle at B ; and it is manifest , that the squares of AB , BC , are equal ( 47. 1. ) to the square of AC and twice the ...
Σελίδα 211
Let the straight line DE touch the circle ABC in the point C ; take the centre F , and draw the straight line FC : FC is perpendicular to DE . For , if it be not , from the point F draw FBG perpendicular to DE ; and because FGC is a ...
Let the straight line DE touch the circle ABC in the point C ; take the centre F , and draw the straight line FC : FC is perpendicular to DE . For , if it be not , from the point F draw FBG perpendicular to DE ; and because FGC is a ...
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Συχνά εμφανιζόμενοι όροι και φράσεις
ABCD altitude axis base become called centre circle circumference co-efficient common cone consequently contained convergency curve denominator describe diameter difference distance divided draw drawn equal equation Examples expression factors feet figure fluxion four fraction function given gives greater half Hence infinite integral join less magnitudes manner measure meet meridian method Multiply opposite original parallel parallelogram pass perpendicular plane pole Prob probability Problem projection Prop proportional Proposition pyramid quantity radius ratio rectangle Reduce remaining represented result right angles root rule sides similar sine solid sphere square straight line subtract suppose taken tang tangent Theorem things third triangle vanishing whence Wherefore whole
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.