The school edition. Euclid's Elements of geometry, the first six books, by R. Potts. corrected and enlarged. corrected and improved [including portions of book 11,12].1864 |
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Αποτελέσματα 6 - 10 από τα 100.
Σελίδα 20
... greater than the angle ACD ; ( ax . 9. ) therefore also the angle BCD is greater than the angle ADĆ . And because in the triangle DBC , the angle BCD is greater than the angle BDC , and that the greater angle is subtended by the greater ...
... greater than the angle ACD ; ( ax . 9. ) therefore also the angle BCD is greater than the angle ADĆ . And because in the triangle DBC , the angle BCD is greater than the angle BDC , and that the greater angle is subtended by the greater ...
Σελίδα 21
... greater than BÈ , EC ; much more then are BA , AC greater than BD , DC . Again , because the exterior angle of a triangle is greater than the interior and opposite angle ; ( 1. 16. ) therefore the exterior angle BDC of the triangle CDE is ...
... greater than BÈ , EC ; much more then are BA , AC greater than BD , DC . Again , because the exterior angle of a triangle is greater than the interior and opposite angle ; ( 1. 16. ) therefore the exterior angle BDC of the triangle CDE is ...
Σελίδα 22
... greater angle , shall be greater than the base of the other . Let ABC , DEF be two triangles , which have the two sides AB , AC , equal to the two DE , DF , each to each , namely , AB equal to DE , and ACto DF ; but the angle BAC ...
... greater angle , shall be greater than the base of the other . Let ABC , DEF be two triangles , which have the two sides AB , AC , equal to the two DE , DF , each to each , namely , AB equal to DE , and ACto DF ; but the angle BAC ...
Σελίδα 23
... greater than DF , at the point D , in the line DE , and on the same side of it as DF , make the angle EDG equal to ... greater than the angle EGF ; ( ax . 9. ) therefore the angle DFG is also greater than the angle EGF ; much more ...
... greater than DF , at the point D , in the line DE , and on the same side of it as DF , make the angle EDG equal to ... greater than the angle EGF ; ( ax . 9. ) therefore the angle DFG is also greater than the angle EGF ; much more ...
Σελίδα 24
... greater than the other . If possible , let AB be greater than DE , make BG equal to ED , ( 1. 3. ) and join GC . Then in the two triangles GBC , DEF , because GB is equal to DE , and BC to EF , ( hyp . ) the two sides GB , BC are equal ...
... greater than the other . If possible , let AB be greater than DE , make BG equal to ED , ( 1. 3. ) and join GC . Then in the two triangles GBC , DEF , because GB is equal to DE , and BC to EF , ( hyp . ) the two sides GB , BC are equal ...
Άλλες εκδόσεις - Προβολή όλων
The School Edition. Euclid's Elements of Geometry, the First Six Books, by R ... Euclides Δεν υπάρχει διαθέσιμη προεπισκόπηση - 2023 |
The School Edition. Euclid's Elements of Geometry, the First Six Books, by R ... Euclides Δεν υπάρχει διαθέσιμη προεπισκόπηση - 2018 |
The School Edition. Euclid's Elements of Geometry, the First Six Books, by R ... Euclides Δεν υπάρχει διαθέσιμη προεπισκόπηση - 2016 |
Συχνά εμφανιζόμενοι όροι και φράσεις
A₁ ABCD AC is equal Algebraically angle ABC angle ACB angle BAC angle equal Apply Euc base BC chord circle ABC constr describe a circle diagonals diameter divided double draw equal angles equiangular equilateral triangle equimultiples Euclid Euclid's Elements exterior angle Geometrical given angle given circle given line given point given straight line gnomon greater hypotenuse inscribed intersection isosceles triangle less Let ABC line BC lines be drawn multiple opposite angles parallelogram parallelopiped pentagon perpendicular polygon problem produced Prop proportionals proved Q.E.D. PROPOSITION radius ratio rectangle contained rectilineal figure remaining angle right angles right-angled triangle segment semicircle shew shewn similar solid angle square on AC tangent THEOREM touch the circle trapezium triangle ABC twice the rectangle vertex vertical angle wherefore
Δημοφιλή αποσπάσματα
Σελίδα 112 - Guido, with a burnt stick in his hand, demonstrating on the smooth paving-stones of the path, that the square on the hypotenuse of a right-angled triangle is equal to the sum of the squares on the other two sides.
Σελίδα 83 - If a straight line be bisected, and produced to any point ; the rectangle contained by the whole line thus produced, and the part of it produced, together with the square...
Σελίδα 48 - If two triangles have two sides of the one equal to two sides of the other, each to each ; and...
Σελίδα 238 - The first of four magnitudes is said to have the same ratio to the second, which the third has to the fourth, when any equimultiples whatsoever of the first and third being taken, and any equimultiples whatsoever of the second and fourth; if the multiple of the first be less than that of the second, the multiple of the third is also less than that of the fourth...
Σελίδα 198 - A LESS magnitude is said to be a part of a greater magnitude, when the less measures the greater, that is, ' when the less is contained a certain number of times exactly in the greater.
Σελίδα 271 - SIMILAR triangles are to one another in the duplicate ratio of their homologous sides.
Σελίδα 81 - 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 115 - angle in a segment' is the angle contained by two straight lines drawn from any point in the circumference of the segment, to the extremities of the straight line which is the base of the segment.
Σελίδα 341 - On the same base, and on the same side of it, there cannot be two triangles...
Σελίδα 24 - ... twice as many right angles as the figure has sides ; therefore all the angles of the figure together with four right angles, are equal to twice as many right angles as the figure has sides.