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a) Daca AB=3 cm si AC=4 cm, calculati BC
b) Daca AB=3 cm si AC=7 cm, calculati BC


Răspuns :

a) AC-AB=BC
4-3=1 
b) AC-AB=BC
7-3=4
a. AB=3cm⇒AB=BC⇒BC=3cm;
AC=4cm⇒AC=BC⇒BC=4cm;
b. AB=3cm⇒AB=BC⇒BC=3cm;
AC=7cm⇒AC=BC⇒BC=7cm;