Răspuns :
baza mare B=23 cm, baza mica b=9 cm, inaltimea h=9 cm
Atrapez=(B+b)xh/2=(23+9)x9/2=32x9/2=288/2=144[tex] cm^{2} [/tex]
Atrapez=(B+b)xh/2=(23+9)x9/2=32x9/2=288/2=144[tex] cm^{2} [/tex]