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A Text-Book of Euclid's Elements For: The Use of Schools, Books I-Vi and XI ...
H. S. Hall
Δεν υπάρχει διαθέσιμη προεπισκόπηση - 2017
A Text-book of Euclid's Elements: For the Use of Schools : Parts ..., Βιβλία 1-6
Euclid,Henry Sinclair Hall,Frederick Haller Stevens
Δεν υπάρχει διαθέσιμη προεπισκόπηση - 1889
ABCD alternate base bisected bisectors Book called centre chord circumference circumscribed common Constr Construction contained DEFINITION describe Describe a circle diagonal diameter difference divided draw drawn equal equilateral Euclid EXERCISES external extremities figure fixed formed four given circle given point given straight line greater half Hence impossible inches inscribed intersect Join length less Let ABC magnitudes meet middle point NOTE opposite sides 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 vertical angle whole Нур
Σελίδα 353 - 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 65 - 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.
Σελίδα 162 - 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.
Σελίδα 326 - From this it is manifest that prisms upon triangular bases, of the same altitude, are to one another as their bases. Let the...
Σελίδα 162 - 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 291 - The side of a regular hexagon inscribed in a circle is equal to the radius of the circle.
Σελίδα 79 - 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.
Σελίδα 18 - 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.
Σελίδα 242 - 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.