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

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Viz. the First Six Books, Together with the Eleventh and Twelfth Euclid Robert Simson, Samuel Maynard. Cc ССС CCC LONDON : Printed by A. SPOTTISWOODE , New - Street -

Viz. the First Six Books, Together with the Eleventh and Twelfth Euclid Robert Simson, Samuel Maynard. Cc ССС CCC LONDON : Printed by A. SPOTTISWOODE , New - Street -

**Square**. QA 45 EX EDITOR'S PREFACE . 1838 o In preparing. Page

No. 8. Earl's Court , Leicester

No. 8. Earl's Court , Leicester

**Square**, London , Sept. 2. 1834 . 3-1989 JUL 3 HERTA -2929 q + THE ELEMENTS OF EUCLID . BOOK 1 . DEFINITIONS MATH . Page 4

A A XXVIII . An obtuse - angled triangle is that which has an obtuse angle . XXIX . An acute - angled triangle is that which has three acute angles . XXX . Of four - sided figures , a

A A XXVIII . An obtuse - angled triangle is that which has an obtuse angle . XXIX . An acute - angled triangle is that which has three acute angles . XXX . Of four - sided figures , a

**square**EUCLID'S ELEMENTS . A ... Page 5

Of four - sided figures , a

Of four - sided figures , a

**square**is that which has all its sides equal , and all its angles right anglese XXXI . An oblong is that which has all its angles right angles , but has not all its sides equal . XXXII . Page 46

To describe a

To describe a

**square**upon a given straight line , Let AB be the given straight line ; it is required to describe a**square**upon AB . From the point A draw * AC at right angles to AB ; and make * AD equal to AB ; through * S1 .### 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