## The First Six and the Eleventh and Twelfth Books of Euclid's Elements: With Notes and Illustrations, and an Appendix in Five Books |

### Inni boken

Side 15

to BCD , but BDC has been proved to be greater than the same BCD ; which is

impossible . ... equal to the two sides DE , DF , each to each , viz . , AB to DE , and

AC to DF ; and also the base

...

to BCD , but BDC has been proved to be greater than the same BCD ; which is

impossible . ... equal to the two sides DE , DF , each to each , viz . , AB to DE , and

AC to DF ; and also the base

**BC equal**to the base EF ; the angle BAC is equal to...

Side 48

With Notes and Illustrations, and an Appendix in Five Books Euclid, James

Thomson. B D Е с G K L H 1 F A into any parts in the points D , E ; the rectangle

contained by A and

DE ...

With Notes and Illustrations, and an Appendix in Five Books Euclid, James

Thomson. B D Е с G K L H 1 F A into any parts in the points D , E ; the rectangle

contained by A and

**BC is equal**to the rectangles contained by A and BD , A andDE ...

Side 53

Let the straight line AB be divided into any two parts in the point C ; the squares

of AB ,

. Upon AB describe ( I. 46. ) the square AE , and construct the figure as in the ...

Let the straight line AB be divided into any two parts in the point C ; the squares

of AB ,

**BC**are**equal**to twice the rectangle AB.**BC**, together with the square of AC. Upon AB describe ( I. 46. ) the square AE , and construct the figure as in the ...

Side 59

be any triangle , having the angle B acute ; and let AD be perpendicular to

one of the sides containing that angle : the square of AC is less than the squares

of CB , BA , by twice the rectangle CB.BD. The squares of CB , BD are

be any triangle , having the angle B acute ; and let AD be perpendicular to

**BC**,one of the sides containing that angle : the square of AC is less than the squares

of CB , BA , by twice the rectangle CB.BD. The squares of CB , BD are

**equal**( II . Side 167

In

circumferences , have

, KL , each

GK , GL ...

In

**equal**circles , or in**the same**circle , angles , whether at the centres orcircumferences , have

**the same**ratio , as the arcs ... Take any number of arcs CK, KL , each

**equal**to**BC**, and any number FM , MN , each**equal**to EF : and joinGK , GL ...

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The First Six and the Eleventh and Twelfth Books of Euclid's Elements: With ... Euclid Ingen forhåndsvisning tilgjengelig - 2016 |

### Vanlige uttrykk og setninger

ABCD altitude base bisected called centre chord circle circumference coincide common cone consequently const construction contained continual cylinder demonstrated describe diagonal diameter difference divided double draw equal equal angles extremities figure fore four fourth given given circle given point given straight line greater half Hence inscribed join less magnitudes manner means meet method multiple opposite parallel parallelepiped parallelogram pass perpendicular plane polygon prism PROB produced proof PROP proportional proposition proved pyramid radius ratio reason rectangle remaining respectively right angles Schol segments semicircle shown sides similar square straight line taken THEOR third touching triangle triangle ABC twice vertical wherefore whole

### Populære avsnitt

Side 94 - 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.

Side 53 - If a straight line be divided into any two parts, the squares of the whole line and of one of the parts are equal to twice the rectangle contained by the whole and that part, together with the square of the other part. Let the straight line AB be divided into any two parts at the point C : the squares of AB, BC shall be equal to twice the rectangle AB, BC, together with the square of AC.

Side 143 - 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 4 - A rhombus is that which has all its sides equal, but its angles are not right angles.

Side 57 - 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 on the other part.

Side 138 - IF a straight line be drawn parallel to one of the sides of a triangle, it shall cut the other sides, or those produced, proportionally; and if the sides, or the sides produced, be cut proportionally, the straight line which joins the points of section shall be parallel to the remaining side of the triangle...

Side 43 - In any right-angled triangle, the square which is described upon the side subtending the right angle, is equal to the squares described upon the sides which contain the right angle.

Side 32 - All the interior angles of any rectilineal figure, together with four right angles, are equal to twice as many right angles as the figure has sides.

Side 40 - To a given straight line to apply a parallelogram, which shall be equal to a given triangle, and have one of its angles equal to a given rectilineal angle.

Side 36 - PARALLELOGRAMS upon the same base, and between the same parallels, are equal to one another...