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2014-05-11T19:29:39+03:00
AΔ = b × h :2 = 8 x 12 : 2= 8 x 6 = 48 cm²
2 5 2
2014-05-11T19:30:10+03:00
A=( bazaxinaltimea corespunzatoare ei0/2
A=8.12/2 =48 cm²
1 1 1