Răspuns :
A =18cm ^2
h =6 cm
A =B*h/2
18=B*6/2
B =18*2/6 =36/6 =6 cm( latura = Baza =6 cm)
h =6 cm
A =B*h/2
18=B*6/2
B =18*2/6 =36/6 =6 cm( latura = Baza =6 cm)