## The Elements of Euclid |

### From inside the book

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Page 19

B с Wherefore , if two angles , & c , Q. E. D. Cox , Hence every

B с Wherefore , if two angles , & c , Q. E. D. Cox , Hence every

**equiangular**triangle is also equilateral PROP . VII . THEOR . UPON the same base , and on the same side of it , there cannot be two triangles that have their sides which ... Page 104

Let ABC be the given circle , and Der the given triangle ; care it is required to inscribe in the circle ABC a triangle

Let ABC be the given circle , and Der the given triangle ; care it is required to inscribe in the circle ABC a triangle

**equiangular**to the triangle DEF . * 17. 3 . Drawa the straight line GAH touching the circle in the b 23. Page 105

1 . wherefore the triangle LMN is

1 . wherefore the triangle LMN is

**equiangular**to the triangle DEF : and it is described about the circle ABC . Which was to be done .. PROP . IV . PROB . TO inscribe a circle in , a given triangle . See Note . Page 111

Which was to be done . sittely PROP . XI . PROB . To inscribe an equilateral and

Which was to be done . sittely PROP . XI . PROB . To inscribe an equilateral and

**equiangular**pent.:gon in a given circle . Let ABCDE be the given circle ; it is required to inscribe an equilateral and**equiangular**pentagon in the circle ...### What people are saying - Write a review

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### Other editions - View all

The Elements of Euclid: The Errors, by Which Theon, Or Others, Have Long Ago ... Robert Simson,Robert Euclid No preview available - 2015 |

The Elements of Euclid: Viz. the First Six Books, Together with the Eleventh ... Robert Simson,Robert Euclid No preview available - 2016 |

### Common terms and phrases

added altitude angle ABC angle BAC base Book centre circle circle ABCD circumference common cone cylinder definition demonstrated described diameter divided double draw drawn equal equal angles equiangular equimultiples excess fore four fourth given angle given in position given in species given magnitude given ratio given straight line greater Greek half join less likewise magnitude manner meet multiple Note opposite parallel parallelogram pass perpendicular plane prisms produced PROP proportionals proposition pyramid radius reason rectangle rectangle contained remaining right angles segment shown sides similar sine solid solid angle sphere square square of AC taken THEOR third triangle ABC wherefore whole