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Mathematik-Online problems:

Problem 235: Thales' Theorem

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#./aufgabe235_en.tex#By means of vector analysis, verify the following theorems originating from
geometry:

a) Thales' Theorem: An inscribed angle in a semicircle is a right angle.
b) Peripheral Angle Theorem: $ \beta = 2 \alpha$.
c) If for two pairs of opposite edges of a tetrahedron the edges are perpendicular, then the third pair is also perpendicular.
\includegraphics{v24_bild1}

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  automatisch erstellt am 6.  2. 2018