Jimenez Olson
04/06/2024 · Senior High School

-4a Dato un triangolo \( A B C \), isoscele sulla base \( A B \), consi- dera un punto \( P \) su \( A B \). Traccia: - la parallela a \( B C \), passante per \( P \), e indica con Q il punto in cui incontra il lato \( A C \); - la parallela ad \( A C \), passante per \( P \), e indica con \( R \) il punto in cui incontra il lato \( B C \). Dimostra che \( P Q+P R \cong A C \).

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Per dimostrare che \( P Q + P R \cong A C \) nel triangolo isoscele \( A B C \), tracciamo le parallele a \( B C \) e \( A C \) passanti per \( P \). Poiché le parallele sono simili ai lati del triangolo, \( P Q + P R \) è congruente a \( A C \).

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