The first three books of Euclid's Elements of geometry, with theorems and problems, by T. Tate |
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Side 44
the square ADEB , and construct the figure as in the preceding propositions : And because AG is equal ( 1. 43. ) to GE , add to each of them ck ; the whole AK is therefore equal to the whole CE ; A C B therefore AK , CE are double of AK ...
the square ADEB , and construct the figure as in the preceding propositions : And because AG is equal ( 1. 43. ) to GE , add to each of them ck ; the whole AK is therefore equal to the whole CE ; A C B therefore AK , CE are double of AK ...
Side 45
Produce AB to D , so that BD be equal to CB , and upon A D describe the square A EFD ; and construct two figures such as in the preceding . Because cB is equal to BD , and that cB is equal ( 1. 34. ) to gk , and BD to KN ; therefore gk ...
Produce AB to D , so that BD be equal to CB , and upon A D describe the square A EFD ; and construct two figures such as in the preceding . Because cB is equal to BD , and that cB is equal ( 1. 34. ) to gk , and BD to KN ; therefore gk ...
Side 87
Given the diagonal of a square to construct it . 8. Given the base , the perpendicular height , and one of the angles at the base of a triangle , to construct it . 9. Trisect two right angles . 10. Divide a right angle into six equal ...
Given the diagonal of a square to construct it . 8. Given the base , the perpendicular height , and one of the angles at the base of a triangle , to construct it . 9. Trisect two right angles . 10. Divide a right angle into six equal ...
Side 90
The area of a rhombus is equal to half the rectangle constructed upon the two diagonals of the rhombus . 29. Parallelograms whose sides and angles are equal are themselves equal . 30. The lines which join the middle points of the three ...
The area of a rhombus is equal to half the rectangle constructed upon the two diagonals of the rhombus . 29. Parallelograms whose sides and angles are equal are themselves equal . 30. The lines which join the middle points of the three ...
Side 91
Take any portion AB , and on it construct the equilateral triangle ABD ; produce BD to C , making Dc equal to DB ; join Ac ; then AC will be the perpendicular required . Since AD is equal to DC ( E. 1. 5. ) the angle dac is equal to the ...
Take any portion AB , and on it construct the equilateral triangle ABD ; produce BD to C , making Dc equal to DB ; join Ac ; then AC will be the perpendicular required . Since AD is equal to DC ( E. 1. 5. ) the angle dac is equal to the ...
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The first three books of Euclid's Elements of geometry, with theorems and ... Euclides Uten tilgangsbegrensning - 1851 |
The First Three Books of Euclid's Elements of Geometry from the Text of Dr ... Euclid,Thomas Tate Ingen forhåndsvisning tilgjengelig - 2014 |
The First Three Books of Euclid's Elements of Geometry from the Text of Dr ... Euclid,Thomas Tate Ingen forhåndsvisning tilgjengelig - 2014 |
Vanlige uttrykk og setninger
ABCD angle ABC angle ACB angle BAC angle equal base BC BC is equal bisect centre circle ABC circumference coincide common construct demonstrated describe diameter divided double draw equal angles equal to FB equilateral exterior angle extremity figure fore four given point given straight line gnomon greater impossible interior isosceles triangle join less Let ABC likewise line be drawn lines AC meet opposite angles opposite sides parallel parallelogram pass perpendicular PROB produced PROP Q.E.D. PROP rectangle contained remaining angle right angles segment semicircle shown sides squares of AC straight line A B Take taken THEOR third touch touches the circle triangle ABC twice the rectangle vertex wherefore whole
Populære avsnitt
Side 6 - If a straight line meets two straight lines, so as to make the two interior angles on the same side of it taken together less than two right angles...
Side 5 - Let it be granted that a straight line may be drawn from any one point to any other point.
Side 20 - If two triangles have two sides of the one equal to two sides of the...
Side 30 - Parallelograms upon equal bases, and between the same parallels, are equal to one another.
Side 17 - Any two angles of a triangle are together less than two right angles. Let ABC be any triangle ; any two of its angles together are less than two right angles.
Side 84 - IF from a point without a circle there be drawn two straight lines, one of which cuts the circle, and the other meets it; if the rectangle contained by the whole line which cuts the circle, and the part of it without the circle, be equal to the square of the line which meets it, the line which meets it shall touch the circle.
Side 82 - 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 11 - UPON the same base, and on the same side of it, there cannot be two triangles that have their sides which are terminated in one extremity of the base equal to one another, and likewise those which are terminated in the other extremity.
Side 19 - To make a triangle of which the sides shall be equal to three given straight lines, but any two whatever of these must be greater than the third, (i.
Side 7 - From the greater of two given straight lines to cut off a part equal to the less. Let AB and C be the two given straight lines, whereof AB is the greater.