The Harpur Euclid: An Edition of Euclid's ElementsRivingtons, 1890 - 515 σελίδες |
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Σελίδα 2
... less , according as the amount of turning round the point that would bring either of the lines into coincidence with the other is greater or less . ( See Syllabus . ) NOTE . When several angles are at one point B DEFINITIONS. ...
... less , according as the amount of turning round the point that would bring either of the lines into coincidence with the other is greater or less . ( See Syllabus . ) NOTE . When several angles are at one point B DEFINITIONS. ...
Σελίδα 10
... less . Let AB and C be the two given straight lines , of which AB the greater ; it is required to cut off from AB , the great a part equal to C , the less . C From the point A draw the straight line AD equal to C. [ I. 2 . From the ...
... less . Let AB and C be the two given straight lines , of which AB the greater ; it is required to cut off from AB , the great a part equal to C , the less . C From the point A draw the straight line AD equal to C. [ I. 2 . From the ...
Σελίδα 14
... less , and join FC , GB . Because AF is equal to AG ( const . ) and AB to AC , [ I. 3 . [ HYP . the two sides FA , AC are equal to the two sides GA , AB , each to each , and they contain the angle FAG common to the two triangles AFC ...
... less , and join FC , GB . Because AF is equal to AG ( const . ) and AB to AC , [ I. 3 . [ HYP . the two sides FA , AC are equal to the two sides GA , AB , each to each , and they contain the angle FAG common to the two triangles AFC ...
Σελίδα 16
... less , and join DC . Then in the two triangles DBC , ACB , we have DB equal to AC , BC common , [ I. 3 . [ CONST . and the angle DBC ( contained by DB , BC ) equal to the angle ACB ( contained by AC , CB ) ; [ HYP . therefore the ...
... less , and join DC . Then in the two triangles DBC , ACB , we have DB equal to AC , BC common , [ I. 3 . [ CONST . and the angle DBC ( contained by DB , BC ) equal to the angle ACB ( contained by AC , CB ) ; [ HYP . therefore the ...
Σελίδα 21
... less than , ' or ' are less than . ' ' angle . ' ' triangle . ' ' circle . ' с PROPOSITION 9. PROBLEM . To bisect a given rectilineal angle Book I. Prop . 8 . 2 I.
... less than , ' or ' are less than . ' ' angle . ' ' triangle . ' ' circle . ' с PROPOSITION 9. PROBLEM . To bisect a given rectilineal angle Book I. Prop . 8 . 2 I.
Άλλες εκδόσεις - Προβολή όλων
The Harpur Euclid: An Edition of Euclid's Elements, Revised in Accordance ... Edward Mann Langley,Euclid,W. Seys Phillips Δεν υπάρχει διαθέσιμη προεπισκόπηση - 2015 |
Συχνά εμφανιζόμενοι όροι και φράσεις
bisect bisector Brocard point chord circum-circle of triangle circumference coincide common concyclic congruent cyclic quadrilateral demonstration described diagonals diameter diamr divided draw equal angles equiangr equiangular equidistant equilateral triangle equimultiples Euclid exterior angle Geometry given circle given point given ratio given st given straight line given triangle greater Hence inscribed intersect isosceles isosceles triangle Join Let ABC locus magnitude meet mid-point opposite sides parallel parallelogram pass pentagon perpendicular plane produced Prop PROPOSITION PROPOSITION 13 radical axis radius rect rectangle contained reqd rhombus right angles segment Show sides BC similar Similarly Simson's line square straight line drawn student subtended symmedian symmedian point tangent THEOREM touch triangle ABC vertex vertices
Δημοφιλή αποσπάσματα
Σελίδα 21 - If two triangles have the three sides of the one equal to the three sides of the other, each to each, the triangles are congruent.
Σελίδα 369 - 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 390 - ... figures are to one another in the duplicate ratio of their homologous sides.
Σελίδα 97 - Let it be granted that a straight line may be drawn from any one point to any other point.
Σελίδα 370 - IN a right-angled triangle, if a perpendicular be drawn from the right angle to the base, the triangles on each side of it are similar to the whole triangle, and to one another.
Σελίδα 96 - 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.
Σελίδα 40 - Any two sides of a triangle are together greater than the third side.
Σελίδα 143 - Three times the sum of the squares on the sides of a triangle is equal to four times the sum of the squares of the lines joining the middle point of each side with the opposite angles.
Σελίδα 407 - Pythagoras' theorem states that the square of the length of the hypotenuse of a right-angled triangle is equal to the sum of the squares of the lengths of the other two sides.
Σελίδα 156 - 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...