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 \(\triangle K\kern{-.8pt}L\kern{-.8pt}M\) met \(\angle L = 62\degree\) en \(\angle M = 62\degree \text{.}\) |
○ De som van de hoeken in \(\triangle K\kern{-.8pt}L\kern{-.8pt}M\) geeft \(\angle L + \angle M + \angle K = 180\degree \text{.}\) 1p ○ Dus \(\angle K = 180\degree - \angle L - \angle M \text{.}\) 1p ○ \(\angle K = 180\degree - 62\degree - 62\degree = 56\degree \text{.}\) 1p |
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Som180GradenStomp
007f - Som hoeken is 180 graden - basis - 3ms
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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 \(\angle C = 39\degree\) en \(\angle A = 38\degree \text{.}\) |
○ De som van de hoeken in \(\triangle A\kern{-.8pt}B\kern{-.8pt}C\) geeft \(\angle C + \angle A + \angle B = 180\degree \text{.}\) 1p ○ Dus \(\angle B = 180\degree - \angle C - \angle A \text{.}\) 1p ○ \(\angle B = 180\degree - 39\degree - 38\degree = 103\degree \text{.}\) 1p |