Răspuns :
560mm=5.6dm
aria=suma bazelor X inaltimea totul supra 2
ARIA TRAPRZ ABCD=(5.6x2.4):2=13.44:2=6.72dm
aria=suma bazelor X inaltimea totul supra 2
ARIA TRAPRZ ABCD=(5.6x2.4):2=13.44:2=6.72dm