Lawson Lawson
06/28/2023 · High School
Dato un parallelogramma \( A B C D \), considera un angolo esterno del parallelogramma di vertice \( D \) e un angolo esterno del parallelogramma di vertice \( C \). Sapen- do che l'ampiezza dell'angolo esterno di vertice \( C \) supera di \( 20^{\circ} \) il triplo dell'ampiezza dell'angolo esterno di verti- ce \( D \), determina le ampiezze degli angoli interni del pa- rallelogramma. \( \left[\widehat{A}=\widehat{C}=40^{\circ}, \widehat{B}=\widehat{D}=140^{\circ}\right] \)
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Gli angoli interni del parallelogramma \(ABCD\) sono \( \widehat{A} = 40^{\circ} \), \( \widehat{B} = 140^{\circ} \), \( \widehat{C} = 40^{\circ} \), e \( \widehat{D} = 140^{\circ} \).
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