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 44.
Σελίδα 4
... describe an equilateral triangle upon a given finite straight line . LET ab be the given straight line ; it is required to describe an equilateral triangle upon it . From the centre a , at the distance ab , describe ( 3 post . ) the ...
... describe an equilateral triangle upon a given finite straight line . LET ab be the given straight line ; it is required to describe an equilateral triangle upon it . From the centre a , at the distance ab , describe ( 3 post . ) the ...
Σελίδα 5
... describe ( i . 1 ) the equilateral triangle da b , and produce ( 2 post . ) the straight lines da , db , to e and f ; from the centre b , at the distance bc , describe ( 3 post . ) the circle cgh , and from the centre d , at the ...
... describe ( i . 1 ) the equilateral triangle da b , and produce ( 2 post . ) the straight lines da , db , to e and f ; from the centre b , at the distance bc , describe ( 3 post . ) the circle cgh , and from the centre d , at the ...
Σελίδα 9
... describe ( i . 1 ) an equilateral triangle def ; then join af ; the straight line af bisects the angle bac Because ad is equal to a e , and af is common to the two triangles da f , eaf ; the two sides da , af , are equal to the two ...
... describe ( i . 1 ) an equilateral triangle def ; then join af ; the straight line af bisects the angle bac Because ad is equal to a e , and af is common to the two triangles da f , eaf ; the two sides da , af , are equal to the two ...
Σελίδα 10
... describe ( 1. 1 ) the equilateral triangle dfe , and join fc , the straight line fc drawn from the given point c is at right angles to the given straight line a b . a d e b Because dc is equal to ce , and fc common to the two triangles ...
... describe ( 1. 1 ) the equilateral triangle dfe , and join fc , the straight line fc drawn from the given point c is at right angles to the given straight line a b . a d e b Because dc is equal to ce , and fc common to the two triangles ...
Σελίδα 11
... describe ( 3 post . ) the circle e gf meet- ing a bin f , g ; and bisect ( i . 10 ) fg in h , and join cf , ch , cg ; the straight line ch , drawn from the given point c , is perpendicular to the given straight line a b a h f d g b ...
... describe ( 3 post . ) the circle e gf meet- ing a bin f , g ; and bisect ( i . 10 ) fg in h , and join cf , ch , cg ; the straight line ch , drawn from the given point c , is perpendicular to the given straight line a b a h f d g b ...
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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