Innenwinkelsumme des Dreiecks
Die drei Innenwinkel im Dreieck summieren sich immer zu 180°.
$$ \alpha + \beta + \gamma = 180° $$
Probiere es aus…rechne nach!
Mathe muss man üben!
Die drei Innenwinkel im Dreieck summieren sich immer zu 180°.
$$ \alpha + \beta + \gamma = 180° $$
Probiere es aus…rechne nach!
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