Euclid's elements of geometryReprint of the original, first published in 1871. The publishing house Anatiposi publishes historical books as reprints. Due to their age, these books may have missing pages or inferior quality. Our aim is to preserve these books and make them available to the public so that they do not get lost. |
Contents
First Book of the Elements | 37 |
Questions on the First Book | 59 |
Geometrical Exercises on Book I | 69 |
Second Book of the Elements | 79 |
Note on the Algebraical Symbols and Abbreviations used in Geometry | 109 |
Third Book of the Elements | 153 |
Notes to the Third Book | 173 |
Fourth Book of the Elenments | 190 |
Notes to the Sixth Book | 196 |
Solutions IHints c on Book I | 202 |
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Common terms and phrases
A₁ a₂ ABCD AC is equal Algebraically angle ABC angle ACB angle BAC angle equal axiom base BC chord circle ABC cirele constr demonstrated describe a circle diagonals diameter divided double draw equal angles equiangular equilateral triangle equimultiples Euclid exterior angle Geometrical given circle given line given point given straight line given triangle gnomon greater hypotenuse inscribed intersection isosceles triangle less Let ABC line AC lines be drawn multiple opposite angles parallelogram pentagon perpendicular problem produced Prop proportionals proved Q.E.D. PROPOSITION quadrilateral quadrilateral figure radius ratio rectangle contained rectilineal figure remaining angle right angles right-angled triangle segment semicircle shew shewn similar similar triangles square on AC tangent THEOREM touch the circle trapezium triangle ABC twice the rectangle vertex vertical angle wherefore