Răspuns :
aria patrat= l*l= 8*8=64 cm2
aria dreptunghi= 10*12=120 cm2
aria romb = 15*18/2 = 270:2 =135 cm2
aria paralelogram= 12*5/2= 60:2= 30 cm2
aria trapez= (14+8) * 6 / 2= 22*6/2= 132:2= 66cm2
aria dreptunghi= 10*12=120 cm2
aria romb = 15*18/2 = 270:2 =135 cm2
aria paralelogram= 12*5/2= 60:2= 30 cm2
aria trapez= (14+8) * 6 / 2= 22*6/2= 132:2= 66cm2