The Elements of Euclid: Also the Book of Euclid's Data ...cor. viz. The first six books, together with the eleventh and twelfth |
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Resultat 1-5 av 6
Side 75
is required to draw a straight line from A which shall touch the Book IIL circle . ...
to the other angles e , C. 4. lo therefore the angle EBA is equal to the angle EDF .
but EDF is a right angle , wherefore EBA is a right angle . and EB is drawn from ...
is required to draw a straight line from A which shall touch the Book IIL circle . ...
to the other angles e , C. 4. lo therefore the angle EBA is equal to the angle EDF .
but EDF is a right angle , wherefore EBA is a right angle . and EB is drawn from ...
Side 269
8. 12 . which their homologous fides have ; therefore the pyramid AKOL has to
the pyramid EMSN the triplicate ratio of that which AK has to EM . In the same
manner , if straight lines be drawn from the points D , V , C , Y , B , T to K , and
from the ...
8. 12 . which their homologous fides have ; therefore the pyramid AKOL has to
the pyramid EMSN the triplicate ratio of that which AK has to EM . In the same
manner , if straight lines be drawn from the points D , V , C , Y , B , T to K , and
from the ...
Side 381
IF F a straight line be drawn to a given point in a given straight line , and makes a
given angle with it . that straight line is given in position . Let AB be a straight line
given in position , and C a given point in it , the straight line drawn to C which ...
IF F a straight line be drawn to a given point in a given straight line , and makes a
given angle with it . that straight line is given in position . Let AB be a straight line
given in position , and C a given point in it , the straight line drawn to C which ...
Side 382
Also the Book of Euclid's Data ...cor. viz. The first six books, together with the
eleventh and twelfth Robert Simson. given , wherefore also the angle EAD is
given . therefore because the straight line DA is drawn to the given point A in the
straight ...
Also the Book of Euclid's Data ...cor. viz. The first six books, together with the
eleventh and twelfth Robert Simson. given , wherefore also the angle EAD is
given . therefore because the straight line DA is drawn to the given point A in the
straight ...
Side 383
AH of the same given magnitude which can be drawn from a given point A to a
straight line BC given in position . A A PROP . XXXV . 32 . IF a straight line be
drawn between two parallel straight lines given in position , and makes given
angles ...
AH of the same given magnitude which can be drawn from a given point A to a
straight line BC given in position . A A PROP . XXXV . 32 . IF a straight line be
drawn between two parallel straight lines given in position , and makes given
angles ...
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added alſo altitude angle ABC angle BAC baſe becauſe Book Book XI caſe circle circle ABCD circumference common cone cylinder Definition demonſtrated deſcribed diameter divided double draw drawn equal equal angles equiangular equimultiples exceſs fame fides firſt folid fore four fourth given angle given in poſition given in ſpecies given magnitude given ratio given ſtraight line greater Greek half join leſs likewiſe magnitude manner meet muſt oppoſite parallel parallelogram perpendicular plane priſm produced PROP proportionals Propoſition pyramid radius reaſon rectangle rectangle contained remaining right angles ſame ſecond ſegment ſhall ſhewn ſides ſimilar ſolid ſphere ſquare ſquare of AC taken THEOR theſe third thro triangle ABC wherefore whole
Populære avsnitt
Side 157 - D ; wherefore the remaining angle at C is equal to the remaining angle at F ; Therefore the triangle ABC is equiangular to the triangle DEF. Next, let each of the angles at C, F be not less than a right angle ; the triangle ABC is also, in this case, equiangular to the triangle DEF.
Side 24 - ... be equal, each to each ; and also the third angle of the one to the third angle of the other. Let ABC, DEF be two triangles which have the angles ABC, ECA equal to the angles DEF, EFD, viz.
Side 45 - 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.
Side 73 - THE straight line drawn at right angles to the diameter of a circle, from the extremity of...
Side 163 - 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.
Side 81 - ELF. Join BC, EF ; and because the circles ABC, DEF are equal, the straight lines drawn from their centres are equal: therefore the two sides BG, GC, are equal to the two EH, HF ; and the angle at G is equal to the angle at H ; therefore the base BC is equal (4.
Side 323 - Equiangular parallelograms have to one another the ratio which is compounded of the ratios of their sides.
Side 80 - EA : and because AD is equal to DC, and DE common to the triangles ADE, CDE, the two sides AD, DE are equal to the two CD, DE, each to each ; and the angle ADE is equal to the angle CDE, for each of them is a right angle ; therefore the base AE is equal (4.
Side 36 - 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.