The first six books of the Elements of Euclid, with numerous exercisesIngram, Cooke, 1853 - 147 σελίδες |
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Αποτελέσματα 1 - 5 από τα 82.
Σελίδα 2
... drawn from a certain point within the figure to the circumference , are equal to one another . XVI . And this point is called the centre of the circle . XVII . A diameter of a circle is a straight line drawn through the centre , and ...
... drawn from a certain point within the figure to the circumference , are equal to one another . XVI . And this point is called the centre of the circle . XVII . A diameter of a circle is a straight line drawn through the centre , and ...
Σελίδα 4
... drawn from any one point to any other point . II . That a terminated straight line may be produced to any length in a ... draw the straight lines ( 1 post . ) ca , cb , to the points a , b ; abc shall be an equilateral triangle . Because ...
... drawn from any one point to any other point . II . That a terminated straight line may be produced to any length in a ... draw the straight lines ( 1 post . ) ca , cb , to the points a , b ; abc shall be an equilateral triangle . Because ...
Σελίδα 5
... draw a straight line equal to a given straight line . LET a be the given point , and be the given straight line ; it is required to draw from the point a a straight line equal to bc . From the point a to b draw ( 1 post . ) the straight ...
... draw a straight line equal to a given straight line . LET a be the given point , and be the given straight line ; it is required to draw from the point a a straight line equal to bc . From the point a to b draw ( 1 post . ) the straight ...
Σελίδα 10
... draw a straight line at right angles to a given straight line , from a given point in the same . de LET a b be a given straight line , and c a point given in it ; it is required to draw a straight line from the point c at right angles ...
... draw a straight line at right angles to a given straight line , from a given point in the same . de LET a b be a given straight line , and c a point given in it ; it is required to draw a straight line from the point c at right angles ...
Σελίδα 11
... draw a straight line perpendicular to ab from the point c . Take any point d upon the other side of a b , and from the centre c , at the distance cd , describe ( 3 post . ) the circle e gf meet- ing a bin f , g ; and bisect ( i . 10 ) ...
... draw a straight line perpendicular to ab from the point c . Take any point d upon the other side of a b , and from the centre c , at the distance cd , describe ( 3 post . ) the circle e gf meet- ing a bin f , g ; and bisect ( i . 10 ) ...
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a b c abcd adjacent angles angle a cb angle abc angle bac angle edf angle equal base bc bc is equal bisected centre circle abc circumference bc describe diameter double draw equal angles equal straight lines equal to f equimultiples ex æquali exterior angle fore four magnitudes fourth given circle given straight line gnomon greater ratio greater than f inscribe less LET abc LET the straight likewise multiple opposite angle parallel parallelogram perpendicular produced Q. E. D. PROPOSITION rectangle a d rectangle contained remaining angle right angles segment semicircle shewn square of a c straight line a b straight line ab straight line bc tiple touches the circle triangle abc triangle def twice the rectangle