Class lessons on Euclid1882 |
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Side 10
... triangle , a three - cornered or three - angled figure , polygon , a many ... equilateral or equal sided , isosceles ( ioos , equal , σkéλoç , leg ) ... triangle contains two acute angles ; consequently a right - angled triangle has 10 ...
... triangle , a three - cornered or three - angled figure , polygon , a many ... equilateral or equal sided , isosceles ( ioos , equal , σkéλoç , leg ) ... triangle contains two acute angles ; consequently a right - angled triangle has 10 ...
Side 11
... triangle three acute angles . 6 24. An equilateral triangle is that which has three equal sides . ' 25. ' An isosceles triangle is that which has two sides equal . ' 26. ' A scalene triangle is that which has three unequal sides . ' 6 ...
... triangle three acute angles . 6 24. An equilateral triangle is that which has three equal sides . ' 25. ' An isosceles triangle is that which has two sides equal . ' 26. ' A scalene triangle is that which has three unequal sides . ' 6 ...
Side 15
... equilateral triangle , and ( 2 ) theorems in which he proves some geometrical law , e.g. the angles at the base of an isosceles triangle are equal . A proposition consists of the enunciation , the construction and the proof . The ...
... equilateral triangle , and ( 2 ) theorems in which he proves some geometrical law , e.g. the angles at the base of an isosceles triangle are equal . A proposition consists of the enunciation , the construction and the proof . The ...
Side 16
... triangle are equal . In this proposition we consider two sides of the triangle to be equal , in accord- ance with the supposition of an isosceles triangle in the enun ... equilateral triangle on a given finite 16 CLASS LESSONS ON EUCLID .
... triangle are equal . In this proposition we consider two sides of the triangle to be equal , in accord- ance with the supposition of an isosceles triangle in the enun ... equilateral triangle on a given finite 16 CLASS LESSONS ON EUCLID .
Side 17
... equilateral triangle is a figure having three equal sides . The given line will itself form one side of the triangle , and if we can draw two other lines equal to it in such a position that the three lines shall together form an ...
... equilateral triangle is a figure having three equal sides . The given line will itself form one side of the triangle , and if we can draw two other lines equal to it in such a position that the three lines shall together form an ...
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Vanlige uttrykk og setninger
&c.-Q.E.D. PROPOSITION ABCD alternate angles angle ABC angle ACB angles are equal angles equal base BC bisected Cheaper Edition circle cons construction Demy 8vo diameter enunciation equal bases equal in area equal sides equal triangles equilateral triangle Euclid exterior Fcap Frontispiece given angle given line given point given straight line given triangle gnomon gram half the line Illustrations interior and opposite interior angles isosceles triangle Join line equal meet opposite angles opposite sides parallelogram perpendicular Poems problem produced proof Prop rectangle contained rhombus right angles right-angled triangle Second Edition sides equal Small crown 8vo square on AC square on half SUMMARY OF PROPOSITION THEOREM Third Edition Translated triangle ABC triangles are equal twice the rect twice the rectangle vertical angle vols Wherefore whole line
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