## Euclid's Elements of geometry: from the Latin translation of Commandine. To which is added, A treatise of the nature of arithmetic of logarithms ; likewise another of the elements of plain and spherical trigonometry ; with a preface |

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A B C ABCD adjacent Angles Angle ABC Angle BAC bisected Center Circle ABC Circle EFGH Circumference Cone Cylinder demonstrated Diameter double drawn thro equal Angles equal Right Lines equiangular equilateral Equimultiples Euclid f equal fame Altitude fame Base fame Multiple fame Plane fame Proportion fame Reason fore given Right Line Gnomon greater homologous Jhall join less likewise Logarithm Magnitudes Number Parallelogram perpendicular Polygon Prisms Prop PROPOSITION Pyramid Quadrant Radius Ratio Rectangle Rectangle contained remaining Angle Right Angles Right Line A B Right-lined Figure rithm Segment Semicircle Sine solid Angle solid Parallelepipedon Sphere Subtangent subtending Tangent Theorem thereof third three Right Lines Triangle ABC triplicate Proportion Unity Vertex the Point whole

### Popular passages

Page 68 - 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.

Page 165 - IF two triangles have one angle of the one equal to one angle of the other, and the sides about the equal angles proportionals : the triangles shall be equiangular, and shall have those angles equal which are opposite to the homologous sides.

Page 114 - And in like manner it may be shown that each of the angles KHG, HGM, GML is equal to the angle HKL or KLM ; therefore the five angles GHK, HKL, KLM, LMG, MGH...

Page 92 - IN a circle, the angle in a semicircle is a right angle ; but the angle in a segment greater than a semicircle is less than a right angle ; and the angle in a segment less than a semicircle is greater than a right angle.

Page 24 - ... sides equal to them of the other. Let ABC, DEF be two triangles which have the two sides AB, AC equal to the two sides DE, DF, each to each, viz. AB...

Page 13 - ... equal to them, of the other. Let ABC, DEF be two triangles which have the two sides AB, AC equal to the two sides DE, DF, each to each, viz. AB equal to DE, and AC to DF ; but the base CB greater than the base EF ; the angle BAC is likewise greater than the angle EDF.

Page 400 - Also, a specimen of an attempt to analyse the air by a great Variety of Chymiostatical Experiments, which were read at several meetings before the Royal Society.

Page 18 - CF, and the triangle AEB to the triangle CEF, and the remaining angles to the remaining angles, each to each, to which...

Page 34 - ... therefore their other sides are equal, each to each, and the third angle of the one to the third angle of the other, (i.

Page 115 - If two right-angled triangles have their hypotenuses equal, and one side of the one equal to one side of the other, the triangles are congruent.