The Elements of Euclid for the Use of Schools and CollegesMacmillan, 1872 - 400 Seiten |
Im Buch
Ergebnisse 1-5 von 84
Seite 7
... draw the straight lines CA and CB to the points A and B. [ Post . 1 . ABC shall be an equilateral triangle . Because the point A is the centre of the circle BCD , AC is equal to AB . [ Definition 15 . And because the point B is the ...
... draw the straight lines CA and CB to the points A and B. [ Post . 1 . ABC shall be an equilateral triangle . Because the point A is the centre of the circle BCD , AC is equal to AB . [ Definition 15 . And because the point B is the ...
Seite 8
... draw from the point A a straight line equal to BC . From the point A to B draw the straight line AB ; [ Post . 1 . and on it describe the equi- lateral triangle DAB , [ I. 1 . and produce the straight lines . DA , DB to E and F. [ Post ...
... draw from the point A a straight line equal to BC . From the point A to B draw the straight line AB ; [ Post . 1 . and on it describe the equi- lateral triangle DAB , [ I. 1 . and produce the straight lines . DA , DB to E and F. [ Post ...
Seite 16
Isaac Todhunter. PROPOSITION 11. PROBLEM . To draw a straight line at right angles to a given straight line , from a given point in the same . Let AB be the given straight line , and C the given point in it : it is required to draw from ...
Isaac Todhunter. PROPOSITION 11. PROBLEM . To draw a straight line at right angles to a given straight line , from a given point in the same . Let AB be the given straight line , and C the given point in it : it is required to draw from ...
Seite 17
... draw a straight line perpendicular to a given straight line of an unlimited length , from a given point without it . Let AB be the given straight line , which may be pro- duced to any length both ways , and let C be the given point ...
... draw a straight line perpendicular to a given straight line of an unlimited length , from a given point without it . Let AB be the given straight line , which may be pro- duced to any length both ways , and let C be the given point ...
Seite 34
... 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 it is required to draw a straight line through the point A parallel to the straight line BC . : In ...
... 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 it is required to draw a straight line through the point A parallel to the straight line BC . : In ...
Andere Ausgaben - Alle anzeigen
Häufige Begriffe und Wortgruppen
ABCD AC is equal angle ABC angle ACB angle BAC angle EDF angles equal Axiom base BC bisects the angle centre chord circle ABC circle described circumference Construction Corollary describe a circle diameter double draw a straight equal angles equal to F equiangular equilateral equimultiples Euclid Euclid's Elements exterior angle given circle given point given straight line gnomon Hypothesis inscribed intersect isosceles triangle less Let ABC magnitudes middle point multiple opposite angles opposite sides parallelogram perpendicular plane polygon produced proportionals PROPOSITION 13 Q.E.D. PROPOSITION quadrilateral radius rectangle contained rectilineal figure remaining angle rhombus right angles right-angled triangle segment shew shewn side BC square on AC straight line &c straight line drawn tangent THEOREM touches the circle triangle ABC triangle DEF twice the rectangle vertex Wherefore