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 21.
Σελίδα 10
... divided into two equal parts in the point d . Which was to be done . PROPOSITION XI . - PROBLEM . To 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 ...
... divided into two equal parts in the point d . Which was to be done . PROPOSITION XI . - PROBLEM . To 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 ...
Σελίδα 23
... divided into as many triangles as the figure has sides , by drawing straight lines from a point f within the figure to each of its angles . And , by the preceding proposition , all the angles of these triangles are equal to twice as ...
... divided into as many triangles as the figure has sides , by drawing straight lines from a point f within the figure to each of its angles . And , by the preceding proposition , all the angles of these triangles are equal to twice as ...
Σελίδα 33
... divided into any number of equal angles , to divide one half of the angle into the same number of equal angles . 6. Given the base , one of the angles at the base , and the sum of the other two sides , to construct the triangle . 7. To ...
... divided into any number of equal angles , to divide one half of the angle into the same number of equal angles . 6. Given the base , one of the angles at the base , and the sum of the other two sides , to construct the triangle . 7. To ...
Σελίδα 35
... divided into any number of parts , the rectangle contained by the two straight lines is equal to the rectangles contained by the undivided line , and the several parts of the divided line . LET a and be be two straight lines ; and let ...
... divided into any number of parts , the rectangle contained by the two straight lines is equal to the rectangles contained by the undivided line , and the several parts of the divided line . LET a and be be two straight lines ; and let ...
Σελίδα 36
... divided into any two parts , the rectangles contained by the whole and each of the parts are together equal to the square of the whole line . LET the straight line ab be divided into any two parts in the point c ; the rectangle ...
... divided into any two parts , the rectangles contained by the whole and each of the parts are together equal to the square of the whole line . LET the straight line ab be divided into any two parts in the point c ; the rectangle ...
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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