Răspunsuri

2014-10-15T16:19:48+03:00
A= linia mijlocie x h /2
A=12x5/2
A=60/2
A=30 cm patrati
2014-10-15T16:20:09+03:00
DACA LINIA MIJLOCIE=12 CM INSEAMNA CA B+b=12x2=24
A=24x5 supra 2=60 cm patrati