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Ajutor!!! Va rogggg rapid!!!!

Ajutor Va Rogggg Rapid class=

Răspuns :

Conform TFA

MD/MA=MC/MB=DC/AB
MD/((MD+6)=MC/(MC+6,5)=7,5/10=3/4

4MD=3MD+18
MD=18⇒MA=18+6=24


4MC=3MC+19,5
MC=19,5⇒MB=19,5+6,5=26
Perimetrul; MAB=24+10+26=60cm