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Meetkunde problemen (67A..C) |
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Probleem A.
Gegeven is vierkant ABCD.
AB=a; FC=FE=b;
Bewijs dat x2=2ab;
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Oplossing A
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Probleem B.
Gegeven is rechthoekige driehoek ABC met twee elkaar rakende ingeschreven cirkels.
AB=5; BC=4; AC=3;
Bereken de straal van de cirkels.
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Oplossing B.
Notatie: [ABC] betekent : oppervlakte van driehoek ABC.
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(*)
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(**)
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Probleem C
Bereken de oppervlakte van de gearceerde driehoek.
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Oplossing C.
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