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Un article trouvé pour ce sujet.
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Two perpendicular chords |
2010-09-11 |
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edwin pose la question :
two perpendicular chords AB and CD intersect at P. if X,Y are their midpoints and M the centre of the circle, prove that MP=XY. I do not a have clue on how to do it so can you please help me with it
Robert Dawson lui répond. |
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