The Elements of Euclid, books i-vi; xi. 1-21; xii. 1,2; ed. by H.J. Hose, Βιβλίο 11853 |
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Αποτελέσματα 1 - 5 από τα 100.
Σελίδα 5
... sides , including the triangle , quadrilateral figure , & c . , as particular cases . XXIV . An equilateral triangle is a triangle which has its three sides all equal ; an equilateral polygon is a polygon with all its sides equal ; and ...
... sides , including the triangle , quadrilateral figure , & c . , as particular cases . XXIV . An equilateral triangle is a triangle which has its three sides all equal ; an equilateral polygon is a polygon with all its sides equal ; and ...
Σελίδα 6
... sides equal . XXXII . A rhombus is a four - sided figure which has all its sides equal , but its angles not right angles . XXXIII . A rhomboid is a four - sided figure which has its opposite sides equal , but all its sides are not equal ...
... sides equal . XXXII . A rhombus is a four - sided figure which has all its sides equal , but its angles not right angles . XXXIII . A rhomboid is a four - sided figure which has its opposite sides equal , but all its sides are not equal ...
Σελίδα 9
... side of EH ( viz . that side towards B , D ) , when taken together , less than two right angles ; then the 12th Axiom asserts that the two straight lines AB , CD , being continu- ally produced ( as represented by the dotted lines ) ...
... side of EH ( viz . that side towards B , D ) , when taken together , less than two right angles ; then the 12th Axiom asserts that the two straight lines AB , CD , being continu- ally produced ( as represented by the dotted lines ) ...
Σελίδα 10
... side of EH towards A , C , that being the side on which the angles AFG , FGC are that are together less than two right ... sides of the cutting line , are called alternate inte- rior , or alternate angles : thus AFG , FGD are alternate ...
... side of EH towards A , C , that being the side on which the angles AFG , FGC are that are together less than two right ... sides of the cutting line , are called alternate inte- rior , or alternate angles : thus AFG , FGD are alternate ...
Σελίδα 13
... sides of the one respectively equal to two sides of the other ; ( 2 ) the angle included by the two sides of the one equal to the angle included by the two sides of the other : then these triangles shall be equal in every respect ; i ...
... sides of the one respectively equal to two sides of the other ; ( 2 ) the angle included by the two sides of the one equal to the angle included by the two sides of the other : then these triangles shall be equal in every respect ; i ...
Συχνά εμφανιζόμενοι όροι και φράσεις
ABC is equal adjacent angles angle ABC angle ACB angle BAC angle DEF angle EDF angles are equal angular points base BC bisected centre circle ABC circle DEF circumference const cut the circle diagonal draw equal angles equal Ax equals add equi equimultiples exterior angle FGHKL fore four magnitudes fourth given straight line gnomon hence the angle homologous hyps included angle interior and opposite join less Let ABC multiple opposite angle parallelogram perpendicular produced PROP proportional proved radius rectangle contained remaining angle respectively equal right angles segment shewn sides BC similar solid angle square of AC THEOR thing are equal third angle three angles touching the circle triangle ABC unequal
Δημοφιλή αποσπάσματα
Σελίδα 39 - To draw a straight line through a given point parallel to a given straight line. Let A be the given point, and BC the given straight line...
Σελίδα 52 - To a given straight line to apply a parallelogram, which shall be equal to a given triangle, and have one of its angles equal to a given rectilineal angle.
Σελίδα 16 - To draw a straight line at right angles to a given straight line, from a given point in the same.
Σελίδα 5 - From a given point to draw a straight line equal to a given straight line. Let A be the given point, and BC the given straight line ; it is required to draw, from the point A, a straight line equal to BC.
Σελίδα 11 - Upon the same base, and on the same side of it, there cannot be two triangles that have their sides which are terminated in one extremity of' the base, equal to one another, and likewise those which are terminated in the other extremity.
Σελίδα 105 - If a straight line touch a circle, and from the point of contact a straight line be drawn cutting the circle ; the angles which this line makes with the line touching the circle, shall be equal to the angles which are in the alternate segments of the circle.
Σελίδα 118 - IF a straight line touch a circle, and from the point of contact a straight line be drawn at right angles to the touching line, the centre of the circle shall be in that line.
Σελίδα 66 - 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.
Σελίδα 6 - From the greater of two given straight lines to cut off a part equal to the less. Let AB and C be the two given straight lines, whereof AB is the greater.
Σελίδα 119 - Upon a given straight line to describe a segment of a circle, which shall contain an angle equal to a given rectilineal angle.