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 27.
Σελίδα 7
... equiangular . PROPOSITION VI . - THEOREM . If two angles of a triangle be equal to one another , the sides which subtend , or are opposite to , the equal angles , shall also be equal to one another . LET abc be a triangle having the ...
... equiangular . PROPOSITION VI . - THEOREM . If two angles of a triangle be equal to one another , the sides which subtend , or are opposite to , the equal angles , shall also be equal to one another . LET abc be a triangle having the ...
Σελίδα 76
... equiangular to a given triangle . LET abc be the given circle , and def the given triangle ; it is required to inscribe in the circle abc a tri- angle equiangular to the triangle d b g h def Draw ( iii . 17 ) the straight line gah ...
... equiangular to a given triangle . LET abc be the given circle , and def the given triangle ; it is required to inscribe in the circle abc a tri- angle equiangular to the triangle d b g h def Draw ( iii . 17 ) the straight line gah ...
Σελίδα 77
... equiangular to the triangle def , and it is inscribed in the circle a bc . Which was to be done . PROPOSITION III . - PROBLEM . About a given circle to describe a triangle equiangular to a given triangle . LET abc be the given circle ...
... equiangular to the triangle def , and it is inscribed in the circle a bc . Which was to be done . PROPOSITION III . - PROBLEM . About a given circle to describe a triangle equiangular to a given triangle . LET abc be the given circle ...
Σελίδα 82
... equiangular pentagon in a given circle . LET abcde be the given circle ; it is required to inscribe an equilateral and equiangular pentagon in the circle abcde Describe ( iv . 10 ) an isosceles triangle f g h , having each of the angles ...
... equiangular pentagon in a given circle . LET abcde be the given circle ; it is required to inscribe an equilateral and equiangular pentagon in the circle abcde Describe ( iv . 10 ) an isosceles triangle f g h , having each of the angles ...
Σελίδα 83
... equiangular ; and it has been shewn that it is equilateral . Wherefore , in the given circle , an equilateral and equiangular pentagon has been inscribed . Which was to be done . PROPOSITION XII . - PROBLEM . To describe an equilateral ...
... equiangular ; and it has been shewn that it is equilateral . Wherefore , in the given circle , an equilateral and equiangular pentagon has been inscribed . Which was to be done . PROPOSITION XII . - PROBLEM . To describe an equilateral ...
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Συχνά εμφανιζόμενοι όροι και φράσεις
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 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 ILLUSTRATED LONDON inscribe less LET abc LET the straight likewise multiple opposite angle parallel parallelogram perpendicular Q. E. D. PROPOSITION rectangle a b rectangle contained remaining angle right angles segment shewn square of a c square of eg straight line a b straight line ab straight line bc tiple touches the circle triangle abc triangle def twice the rectangle
Δημοφιλή αποσπάσματα
Σελίδα 40 - To divide a given straight line into two parts, so that the rectangle contained by the whole, and one of the parts, may be equal to the square of the other part.
Σελίδα 2 - Let it be granted that a straight line may be drawn from any one point to any other point.
Σελίδα 19 - 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 27 - To describe a parallelogram that shall be equal to a given triangle, and have one of its angles equal to a given rectilineal angle.
Σελίδα 36 - 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 of...
Σελίδα 13 - 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 11 - If one side of a triangle be produced, the exterior angle is greater than either of the interior opposite angles.
Σελίδα 2 - If a straight line meet two straight lines, so as to make the two interior angles on the same side of it taken together less than two right angles...
Σελίδα 124 - If two triangles have one angle of the one equal to one angle of the other and the sides about these equal angles proportional, the triangles are similar.