A Text-book of Euclid's Elements for the Use of Schools, Bücher 1 |
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TEXT-BK OF EUCLIDS ELEMENTS Euclid,H. S. (Henry Sinclair) 1848-1934 Hall Keine Leseprobe verfügbar - 2016 |
A Text-Book of Euclid's Elements For: The Use of Schools, Books I-Vi and XI ... H. S. Hall Keine Leseprobe verfügbar - 2017 |
Häufige Begriffe und Wortgruppen
ABCD alternate base bisected bisectors Book called centre chord circumference circumscribed common Constr Construction DEFINITION describe Describe a circle diagonal diameter difference divided draw drawn equal equilateral Euclid's EXERCISES external extremities figure fixed formed four given circle given point given straight line greater half Hence inches inscribed intersect Join length less Let ABC magnitude meet middle point NOTE opposite sides par¹ parallel parallelogram pass perp perpendicular plane PROBLEM produced Proof proportional PROPOSITION prove quadrilateral radius ratio rect rectangle contained regular remaining respectively right angles segment shew shewn sides similar Similarly square straight line drawn tangent THEOREM third touch triangle ABC twice vertex vertical angle whole
Beliebte Passagen
Seite 355 - 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.
Seite 342 - 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.
Seite 67 - If two triangles have two angles of the one equal to two angles of the other, each to each, and also one side of the one equal to the corresponding side of the other, the triangles are congruent.
Seite 164 - AB into two parts, so that the rectangle contained by the whole line and one of the parts, shall be equal to the square on the other part.
Seite 327 - From this it is manifest that prisms upon triangular bases, of the same altitude, are to one another as their bases. Let the...
Seite 164 - 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...
Seite 293 - The side of a regular hexagon inscribed in a circle is equal to the radius of the circle.
Seite 81 - The straight line joining the middle points of two sides of a triangle is parallel to the third side and equal to half of it 46 INTERCEPTS BY PARALLEL LINES.
Seite 20 - THE angles at the base of an isosceles triangle are equal to one another : and, if the equal sides be produced, the angles upon the other side of the base shall be equal.
Seite 244 - We may here notice that the perpendiculars from the vertices of a triangle to the opposite sides are concurrent ; their meet is called the orthocentre, and the triangle obtained by joining the feet of the perpendiculars is called the pedal triangle.