## Euclid's Elements of Geometry: The First Six, the Eleventh and Twelfth Books |

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Side 109

A segment of a circle is a figure contained under a right line and a part of the

A segment of a circle is a figure contained under a right line and a part of the

**circumference**of a circle b . 7. An angle of a segment is that which is contained under a right line and the**circumference**of a circle 8. Side 110

But when the right lines containing such an angle do cut off part of the

But when the right lines containing such an angle do cut off part of the

**circumference**of the circk , the angle is faid to ftand upon that part cut off . 10. A sector of a circle is the figure comprehended between two right lines drawn ... Side 111

The praxis of this problem may be somewhat shorter , thus : Open the compasses to any D convenient distance that will cut the given circle , and setting one foot in the

The praxis of this problem may be somewhat shorter , thus : Open the compasses to any D convenient distance that will cut the given circle , and setting one foot in the

**circumference**at the point a describe an arch B C with the other ... Side 112

Therefore the right line drawn from the point A to B does not fall without the circle , nor does it fall in the

Therefore the right line drawn from the point A to B does not fall without the circle , nor does it fall in the

**circumference**. Consequently it must necessarily fall within the circle . If therefore any two points be taken in the ... Side 115

If any point except the centre be taken in the diameter of a circle , and any right lines drawn from it do fall upon the

If any point except the centre be taken in the diameter of a circle , and any right lines drawn from it do fall upon the

**circumference**of the circle , the greatest of them will be that wherein is the centre , and the least ...### Hva folk mener - Skriv en omtale

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Euclid's Elements of Geometry: The First Six, the Eleventh and Twelfth Books Euclid,David Gregory Ingen forhåndsvisning tilgjengelig - 2016 |

### Vanlige uttrykk og setninger

A B C ABCD added alſo altitude baſe becauſe centre circle circumference common cone cylinder definition demonſtrated deſcribed diameter difference divided double draw drawn equal equal angles equiangular equimultiples Euclid exceeds fall fame fides figure firſt folid fore fourth given right line greater half inſcribed join leſs magnitudes manner meet multiple oppoſite parallel parallelogram perpendicular plane polygon priſms PROP proportional propoſition proved pyramid ratio rectangle remaining angle right angles right line A B right lined figure ſame ſay ſecond ſegment ſhall ſides ſimilar ſince ſolid ſome ſphere ſquare ſtand ſum taken THEOR theſe third thoſe thro touch triangle triangle ABC twice vertex Wherefore whole whoſe baſe

### Populære avsnitt

Side 247 - 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.

Side 30 - If two triangles have two angles of the one equal to two angles of the other, each to each, and one side equal to one side, viz. either the sides adjacent to the equal...

Side 248 - But it was proved that the angle AGB is equal to the angle at F ; therefore the angle at F is greater than a right angle : But by the hypothesis, it is less than a right angle ; which is absurd.

Side 18 - When a straight line set up on a straight line makes the adjacent angles equal to one another, each of the equal angles is right, and the straight line standing on the other is called a perpendicular to that on which it stands.

Side 32 - Let the straight line EF, which falls upon the two straight lines AB, CD, make the alternate angles AEF, EFD equal to one another; AB is parallel to CD.

Side 56 - Therefore all the angles of the figure, together with four right angles, are equal to twice as many right angles as the figure has sides.

Side 391 - KL: but the cylinder CM is equal to the cylinder EB, and the axis LN to the axis GH; therefore as the cylinder EB to...

Side 110 - If any two points be taken in the circumference of a circle, the straight line which joins them shall fall within the circle.

Side 130 - When you have proved that the three angles of every triangle are equal to two right angles...

Side 183 - FK : in the same manner it may be demonstrated, that FL, FM, FG are each of them equal to FH, or FK : therefore the five straight lines FG, FH, FK, FL, FM are equal to one another : wherefore the circle described from the centre F, at the distance of...