Som hoeken is 180 graden
12 - 2 oefeningen
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Som180GradenScherp
007e - Som hoeken is 180 graden - basis - 1ms
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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 \(\triangle P\kern{-.8pt}Q\kern{-.8pt}R\) met \(\angle Q=70\degree\) en \(\angle R=72\degree\text{.}\) |
○ De som van de hoeken in \(\triangle P\kern{-.8pt}Q\kern{-.8pt}R\) geeft \(\angle Q+\angle R+\angle P=180\degree\text{.}\) 1p ○ Dus \(\angle P=180\degree-\angle Q-\angle R\text{.}\) 1p ○ \(\angle P=180\degree-70\degree-72\degree=38\degree\text{.}\) 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 \(\angle B=37\degree\) en \(\angle C=33\degree\text{.}\) |
○ 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 ○ \(\angle A=180\degree-37\degree-33\degree=110\degree\text{.}\) 1p |