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Meetkunde problemen 70A..L |
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naar 60..69
naar 71A..F
70A.
Bereken hoek x.
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70B.
Bereken straal R.
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70C.
Bereken de gekleurde oppervlakte.
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70D.
Bereken straal r.
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70E.
Bereken de gekleurde oppervlakte.
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70F.
Bereken straal R.
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70G.
Bereken straal R van de kwart cirkel.
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70H.
Bereken de verhouding r/R.
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70J.
Bereken de gekleurde oppervlakte.
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70K.
Berken de verhouding R/r.(Gulden snede).
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70L.
Bereken de gekleurde oppervlakte.
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