Question

Cum se rezolva acest exercitiu?

Answer 1

Aria trapez ABCD=$\frac{B+b)h}{2}$=$\frac{16*6}{2} =48cm$²

Aria dreptunghi AECD= L*l=6*5=30 cm ²

Aria ΔABC=$\frac{l*h}{2} = \frac{10*5}{2}$=25 cm ²

Aria ΔBED=Aria paralelogramului EBCD :2=B*h:2=4*5 cm²=10cm².