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 \(\triangle K\kern{-.8pt}L\kern{-.8pt}M\) met \(\angle L=53\degree\) en \(\angle M=50\degree\text{.}\) |
○ 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 ○ \(\angle K=180\degree-53\degree-50\degree=77\degree\text{.}\) 1p |
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Som180GradenStomp
007f - Som hoeken is 180 graden - basis - 4ms
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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 \(\angle P=37\degree\) en \(\angle Q=31\degree\text{.}\) |
○ De som van de hoeken in \(\triangle P\kern{-.8pt}Q\kern{-.8pt}R\) geeft \(\angle P+\angle Q+\angle R=180\degree\text{.}\) 1p ○ Dus \(\angle R=180\degree-\angle P-\angle Q\text{.}\) 1p ○ \(\angle R=180\degree-37\degree-31\degree=112\degree\text{.}\) 1p |