Som hoeken is 180 graden
12 - 2 oefeningen
|
Som180GradenScherp
007e - Som hoeken is 180 graden - basis - 0ms
|
Getal & Ruimte (13e editie) - 1 havo/vwo - 5.6 Getal & Ruimte (13e editie) - 1 vwo - 5.6 |
|
3p Gegeven is \(\triangle K\kern{-.8pt}L\kern{-.8pt}M\) met \(\angle L = 60\degree\) en \(\angle M = 60\degree \text{.}\) |
○ 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 ○ \(\angle K = 180\degree - 60\degree - 60\degree = 60\degree \text{.}\) 1p |
|
Som180GradenStomp
007f - Som hoeken is 180 graden - basis - 3ms
|
Getal & Ruimte (13e editie) - 1 havo/vwo - 5.6 Getal & Ruimte (13e editie) - 1 vwo - 5.6 |
|
3p Gegeven is \(\triangle P\kern{-.8pt}Q\kern{-.8pt}R\) met \(\angle P = 37\degree\) en \(\angle Q = 32\degree \text{.}\) |
○ 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 ○ \(\angle R = 180\degree - 37\degree - 32\degree = 111\degree \text{.}\) 1p |