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va rog daca puteti sami rezolvati problema 2 geometrie

Va Rog Daca Puteti Sami Rezolvati Problema 2 Geometrie class=

Răspuns :

mas ∡B=60°⇒m∡C=30∡⇒AB=24:2=12cm (Teorema unghiuluide 30°in tr.dr.)
mas ∡B=60°⇒m∡BAC=30°⇒BC=AD:2=12:2=6cm (Teorema unghiuluide 30°in tr.dr.)
as simple as that!!

extra
pr.1
m∡CAB=(180-130)/2=25°
AD inaltime (ipoteza) deci ΔACD dreptunghic
m∡ACD=90°-25°=65°