Răspuns :
Aria trapezului = (baza mica + baza mare) x inaltimea/2 = (10 + 14) x 6/2 = 24 x 6 / 2 = 12 x 6 = 72
[tex]A_{trapez}=\frac{B+b}{2}\cdot{h}=\frac{10+14}{2}\cdot6=72(cm^2)[/tex]