ما يقوله الناس - كتابة مراجعة
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A B and B C A B and C D A B C A B D axiom B C is equal bisect Book centre circumference circumscribed cone conical surface const constructed cylinder demonstration diagonal diameter difference draw equal angles equiangular equilateral triangle equimultiples Euclid external angle extremities geometry given circle given line given point given right line greater Hence homologous sides hypotenuse inscribed intersect isosceles triangle less magnitudes multiple parallel parallelogram parallelopiped pentagon perpendicular polygon prism problem Proposition proved pyramid radii radius rectilinear figure respectively equal right line A B segment sides A B similar solid angle square of A C surface tangent Theorem third tiples triangle B A C vertex
الصفحة 36 - If two triangles have two sides of the one respectively equal to two sides of the other, and the contained angles supplemental, the two triangles are equal.
الصفحة 52 - DE : but equal triangles on the same base and on the same side of it, are between the same parallels ; (i.
الصفحة 148 - ... be equimultiples, the one of the second, and the other of the fourth. Let A the first be the same multiple of B the second, that C the third is of D the fourth ; and of A, C let equimultiples EF, GH be taken.
الصفحة 166 - ... If there be three magnitudes, and other three, which have the same ratio taken two and two, but in a cross order; then if the first magnitude be greater than the third, the fourth shall be greater than the sixth: and if equal, equal; and if less, less.
الصفحة 158 - N ; and if equal, equal ; and if less, less : but if G be greater than L, it has been shown that L HC K E M F N H is greater than M ; and if equal, equal; and if less, less: therefore, if G be greater than L, K is greater than N ; and if equal, equal ; and if less less : and G, K are any equimultiples whatever of A, E ; and L, N any whatever of B, F : therefore as A is to B, so is E to F (5.
الصفحة 320 - If two angles of one triangle are equal to two angles of another triangle, the third angles are equal, and the triangles are mutually equiangular.
الصفحة 153 - IF the first be to the second as the third to the fourth, and if the first be a multiple, or part of the second; the third is the same multiple, or the same part of the fourth...
الصفحة 153 - THEOR. IF the first be the same multiple of the second, or the same part of it, that the third is of the fourth ; the first is to the second, as the third is to the fourth...