Geometrical Problems Deducible from the First Six Books of Euclid: Arranged and Solved: to which is Added an Appendix Containing the Elements of Plane Trigonometry ...J. Smith, 1827 - 377 sider |
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Side ii
... extremity of this line and of the proportionals will contain equal angles . 16. To trisect a right angle . 17. To trisect a given finite straight line . 18. To divide a given straight line into any number of ... extremities ii CONTENTS .
... extremity of this line and of the proportionals will contain equal angles . 16. To trisect a right angle . 17. To trisect a given finite straight line . 18. To divide a given straight line into any number of ... extremities ii CONTENTS .
Side iii
... extremity of this proportional will bisect the angle formed by the lines drawn from the extremities of the other two . 21. If a straight line be drawn through any point in the line bisecting a given angle , and produced to cut the sides ...
... extremity of this proportional will bisect the angle formed by the lines drawn from the extremities of the other two . 21. If a straight line be drawn through any point in the line bisecting a given angle , and produced to cut the sides ...
Side iv
... extremities of the given line perpendiculars be erected ; then any line drawn through the point of section , meeting ... extremities of the segments of the lines drawn from one of the points be in a straight line given in position ; to ...
... extremities of the given line perpendiculars be erected ; then any line drawn through the point of section , meeting ... extremities of the segments of the lines drawn from one of the points be in a straight line given in position ; to ...
Side v
... extremities of two parallel chords are equal to each other . 2. If from a point without a circle two straight lines be drawn to the concave part of the circumference , making equal angles with the line joining the same point and the ...
... extremities of two parallel chords are equal to each other . 2. If from a point without a circle two straight lines be drawn to the concave part of the circumference , making equal angles with the line joining the same point and the ...
Side vi
... extremities of any chord in a circle perpendi- culars be drawn , meeting a diameter ; the points of intersection are equally distant from the centre . 18. If from the extremities of the diameter of a semicircle per- pendiculars be let ...
... extremities of any chord in a circle perpendi- culars be drawn , meeting a diameter ; the points of intersection are equally distant from the centre . 18. If from the extremities of the diameter of a semicircle per- pendiculars be let ...
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Geometrical Problems Deducible from the First Six Books of Euclid: Arranged ... Miles Bland Ingen forhåndsvisning tilgjengelig - 2015 |
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Geometrical Problems Deducible from the First Six Books of Euclid: Arranged ... Miles Bland Ingen forhåndsvisning tilgjengelig - 2018 |
Vanlige uttrykk og setninger
ABCD angle ABC base bisect the angle centre chord circle ABC circles cut circumference describe a circle divided draw a line drawn parallel duplicate ratio equal angles equiangular Eucl extremities G draw given angle given circle given in position given line given point given ratio given square given straight line intercepted isosceles triangle Join AB Join AE Join BD Let AB Let ABC let fall line given line joining line required lines be drawn lines drawn mean proportional opposite sides parallel to AC parallelogram pendicular point of bisection point of contact point of intersection radius rectangle rectangle contained right angles right-angled triangle segments semicircle shewn tangent touching the circle trapezium triangle ABC whence
Populære avsnitt
Side 10 - IF a straight line be divided into two equal, and also into two unequal parts ; the squares of the two unequal parts are together double of the square of half the line, and of the square of the line between the points of section.
Side xv - IF from any point without a circle two straight lines be drawn, one of which cuts the circle, and the other touches it ; the rectangle contained by the whole line which cuts the circle, and the part of it without the circle,. shall be equal to the square of the line which touches it.
Side xxx - 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.
Side 303 - The circumference of every circle is supposed to be divided into 360 equal parts, called degrees ; each degree into 60 equal parts, called minutes ; and each minute into 60 equal parts, called seconds.
Side 140 - Iff a straight line be divided into any two parts, four times the rectangle contained by the whole line, and one of the parts, together with the square of the other...
Side 329 - CE is equal to the difference of the segments of the base made by the perpendicular.
Side 109 - If from a point, without a parallelogram, there be drawn two straight lines to the extremities of the two opposite sides, between which, when produced, the point does not lie, the difference of the triangles thus formed is equal to half the parallelogram. Ex. 2. The two triangles, formed by drawing straight lines from any point within a parallelogram to the extremities of its opposite sides, are together half of the parallelogram.
Side 164 - PROPOSITION I. PROBLEM. — To 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.
Side 281 - Given the vertical angle, the difference of the two sides containing it, and the difference of the segments of the base made by a perpendicular from the vertex ; construct the triangle.
Side 270 - AB describe a segment of a circle containing an angle equal to the given angle, (in.