Som hoeken is 180 graden
12 - 2 oefeningen
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Som180GradenScherp
007e - Som hoeken is 180 graden - basis - 0ms
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Getal & Ruimte (13e editie) - 1 havo/vwo - 5.6 Getal & Ruimte (13e editie) - 1 vwo - 5.6 |
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3p Gegeven is \(\triangle A\kern{-.8pt}B\kern{-.8pt}C\) met \(\angle B = 69\degree\) en \(\angle C = 60\degree \text{.}\) |
○ De som van de hoeken in \(\triangle A\kern{-.8pt}B\kern{-.8pt}C\) geeft \(\angle B + \angle C + \angle A = 180\degree \text{.}\) 1p ○ Dus \(\angle A = 180\degree - \angle B - \angle C \text{.}\) 1p ○ \(\angle A = 180\degree - 69\degree - 60\degree = 51\degree \text{.}\) 1p |
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Som180GradenStomp
007f - Som hoeken is 180 graden - basis - 2ms
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Getal & Ruimte (13e editie) - 1 havo/vwo - 5.6 Getal & Ruimte (13e editie) - 1 vwo - 5.6 |
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3p Gegeven is \(\triangle K\kern{-.8pt}L\kern{-.8pt}M\) met \(\angle K = 36\degree\) en \(\angle L = 40\degree \text{.}\) |
○ De som van de hoeken in \(\triangle K\kern{-.8pt}L\kern{-.8pt}M\) geeft \(\angle K + \angle L + \angle M = 180\degree \text{.}\) 1p ○ Dus \(\angle M = 180\degree - \angle K - \angle L \text{.}\) 1p ○ \(\angle M = 180\degree - 36\degree - 40\degree = 104\degree \text{.}\) 1p |