## The Elements of Euclid: Viz. the First Six Books, Together with the Eleventh and Twelfth |

### From inside the book

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Page 2

... at the point in which the straight lines that

... at the point in which the straight lines that

**contain**the angle meet one another , is put between the other two ... and the other upon the other line : Thus the angle which is**contained**by the straight lines , AB , CB , is named the ... Page 3

A circle is a plane figure

A circle is a plane figure

**contained**by one line , which is called the circumference , and is such that all straight lines drawn from a certain point within the figure to the circumference , are equal to one another . XVI . Page 4

Rectilineal figures are those which are

Rectilineal figures are those which are

**contained**by straight lines . XXI . Trilateral figures , or triangles , by three straight lines . XXII . Quadrilateral , by four straight lines . XXIII . Multilateral figures , or polygons ... Page 10

If two triangles have two sides of the one equal to two sides of the other , each to each ; and have likewise the angles

If two triangles have two sides of the one equal to two sides of the other , each to each ; and have likewise the angles

**contained**by those sides equal to one another ; they shall likewise have their buses , or third sides , equal ; and ... Page 11

Therefore , if two triangles have two sides of the one equal to two sides of the other , each to each , and have likewise the angles

Therefore , if two triangles have two sides of the one equal to two sides of the other , each to each , and have likewise the angles

**contained**by those sides equal to one another , their bases shall likewise be equal , and the triangles ...### What people are saying - Write a review

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The Elements of Euclid: Viz. The First Six Books, Together With the Eleventh ... Euclid Euclid No preview available - 2018 |

### Common terms and phrases

altitude angle ABC angle BAC base base BC BC is equal centre circle ABCD circumference common cone Const contained cylinder demonstrated described diameter divided double draw drawn equal angles equiangular equilateral equimultiples extremities fall figure fore four fourth given given straight line greater half inscribed join less Let ABC likewise magnitudes manner meet multiple opposite parallel parallelogram pass perpendicular plane polygon prism PROB produced PROP proportionals proved pyramid ratio reason rectangle contained rectilineal figure remaining angle right angles segment shown sides similar solid solid angle solid parallelopiped sphere square taken THEOR third touches triangle ABC vertex wherefore whole