The Elements of Euclid: The Errors, by which Theon, Or Others, Have Long Ago Vitiated These Books, are Corrected and Some of Euclid's Demonstrations are Restored. Also, to this Second Edition is Added the Book of Euclid's Data. In Like Manner Corrected. viz. the first six books, together with the eleventh and twelfth
R. and A. Foulis, 1762 - 466 sider
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The Elements of Euclid, Viz: The Errors, by which Theon, Or Others, Have ...
Uten tilgangsbegrensning - 1775
The Elements of Euclid: The Errors by which Theon, Or Others, Have Long ...
Uten tilgangsbegrensning - 1827
alſo angle ABC angle BAC baſe BC is equal BC is given becauſe the angle becauſe the ratio biſe&ted caſe cauſe circle ABCD circumference cone conſequently conſtrućtion cylinder demonſtrated deſcribed equal angles equiangular equimultiples exceſs figure firſt fore given angle given in magnitude given in poſition given in ſpecies given magnitude given ratio given ſtraight line gnomon greater join laſt leſs likewiſe muſt oppoſite parallel parallelepipeds parallelogram perpendicular priſms Prop proportionals Propoſition pyramid Q. E. D. P R O reëtangle reëtilineal right angles ſaid ſame manner ſame multiple ſame ratio ſame reaſon ſecond ſegment ſhall ſhall be equal ſhewn ſides ſimilar ſolid angle ſome ſpace ſphere ſquare of BC ſtraight line AB ſtraight line BC ſuch T H E O theſe thoſe thro tiple triangle ABC uſe wherefore
Side 5 - Let it be granted that a straight line may be drawn from any one point to any other point.
Side 48 - If a straight line be divided into any two parts, the squares of the whole line, and of one of the parts, are equal to twice the rectangle contained by the whole and that part, together with the square of the other part. Let the straight line AB be divided into any two parts in the point C; the squares of AB, BC are equal to twice the rectangle AB, BC, together with the square of AC.
Side 73 - The straight line drawn at right angles to the diameter of a circle, from the extremity of it, falls without the circle; and no straight line can be drawn from the extremity between that straight line and the circumference, so as not to cut the circle...
Side 105 - 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. either the sides adjacent to the equal...
Side 3 - 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.
Side 167 - Similar triangles are to one another in the duplicate ratio of their homologous sides.
Side 54 - AB be the given straight line ; it is required to divide it into two parts, so that the rectangle contained by the whole, and one of the parts, shall be equal to the square of the other part.
Side 47 - If a straight line be divided into two equal parts, and also into two unequal parts; the rectangle contained by the unequal parts, together with the square of the line between the points of section, is equal to the square of half the line.