The Elements of Euclid: Viz, the First Six Books, Together with the Eleventh and Twelfth ; the Errors, by which Theon, Or Others, Have Long Ago Vitiated These Books, are Corrected, and Some of Euclid's Demonstrations are Restored ; Also the Book of Euclid's Data, in Like Manner CorrectedDesilver, 1829 - 516 σελίδες |
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Σελίδα 37
... parallelograms are equal to one another , and the diameter bisects them , that is , divides them into two equal ... parallelogram , of which BC is a diameter ; the opposite sides and angles of the figure are equal to one another and ...
... parallelograms are equal to one another , and the diameter bisects them , that is , divides them into two equal ... parallelogram , of which BC is a diameter ; the opposite sides and angles of the figure are equal to one another and ...
Σελίδα 38
... parallelogram ACDB into two equal parts . Q. E. D. PROP . XXXV . THEOR . PARALLELOGRAMS upon the same base , and between the same parallels , are equal to one another . * Let the parallelograms ABCD , EBCF be upon the same base BC , and ...
... parallelogram ACDB into two equal parts . Q. E. D. PROP . XXXV . THEOR . PARALLELOGRAMS upon the same base , and between the same parallels , are equal to one another . * Let the parallelograms ABCD , EBCF be upon the same base BC , and ...
Σελίδα 39
... parallelogram ; and it is equal ( 35. 1. ) to ABCD , because it is upon the same base BC , and between the same parallels BC , AD : for the like reason , the parallelogram EFGH is equal to the same EBCH ; therefore also the parallelogram ...
... parallelogram ; and it is equal ( 35. 1. ) to ABCD , because it is upon the same base BC , and between the same parallels BC , AD : for the like reason , the parallelogram EFGH is equal to the same EBCH ; therefore also the parallelogram ...
Σελίδα 40
... parallelogram EBCA , because the diameter AB bisects ( 34. 1. ) it ; and the triangle DBC is the half of the pa ... parallelogram ; and they are equal ( 36. 1. ) . to one another , because they are upon equal bases BC , EF , and between ...
... parallelogram EBCA , because the diameter AB bisects ( 34. 1. ) it ; and the triangle DBC is the half of the pa ... parallelogram ; and they are equal ( 36. 1. ) . to one another , because they are upon equal bases BC , EF , and between ...
Σελίδα 41
... parallelogram and triangle be upon the same base , and between the same parallels ; the parallelogram shall be double of the triangle . Let the parallelogram ABCD and the triangle EBC be upon F * A D E the same base BC , and BOOK I. 41 ...
... parallelogram and triangle be upon the same base , and between the same parallels ; the parallelogram shall be double of the triangle . Let the parallelogram ABCD and the triangle EBC be upon F * A D E the same base BC , and BOOK I. 41 ...
Άλλες εκδόσεις - Προβολή όλων
The Elements of Euclid: Viz, the First Six Books, Together with the Eleventh ... Robert Simson,Euclid Euclid Δεν υπάρχει διαθέσιμη προεπισκόπηση - 2018 |
Συχνά εμφανιζόμενοι όροι και φράσεις
altitude angle ABC angle BAC base BC BC is equal BC is given bisected centre circle ABCD circumference co-sine cone cylinder demonstrated described diameter draw drawn equal angles equiangular equimultiples Euclid ex æquali excess fore given angle given in magnitude given in position given in species given magnitude given ratio given straight line gnomon greater join less Let ABC multiple parallel parallelogram parallelogram AC perpendicular point F polygon prism proportionals proposition Q. E. D. PROP radius ratio of AE rectangle CB rectangle contained rectilineal figure remaining angle right angles segment sides BA similar sine solid angle solid parallelopipeds square of AC straight line AB straight line BC tangent THEOR third triangle ABC triplicate ratio vertex wherefore
Δημοφιλή αποσπάσματα
Σελίδα 9 - Let it be granted that a straight line may be drawn from any one point to any other point.
Σελίδα 81 - The angles in the same segment of a circle are equal to one another.
Σελίδα 315 - Equiangular parallelograms have to one another the ratio which is compounded of the ratios of their sides.
Σελίδα 33 - All the interior angles of any rectilineal figure, together with four right angles, are equal to twice as many right angles as the figure has sides.
Σελίδα 49 - If a straight line be divided into any two parts, the rectangle contained by the whole and one of the parts, is equal to the rectangle contained by the two parts, together with the square of the aforesaid part.
Σελίδα 96 - If from any point without a circle two straight lines be drawn, one of which cuts the circle, and the other touches it ; the rectangle contained by the whole line which cuts the circle, and the part of it without the circle, shall be equal to the square of the line which touches it.
Σελίδα 155 - If two triangles have one angle of the one equal to one angle of the other and the sides about these equal angles proportional, the triangles are similar.
Σελίδα 22 - ANY two angles of a triangle are together less than two right angles.
Σελίδα 25 - Let A, B, C be the three given straight lines, of which any two whatever are greater than the third, viz.
Σελίδα 24 - Any two sides of a triangle are together greater than the third side.