Question

If triangle ABC congruent triangle DEF such that BC is equals to 3 cm is equals to 4 cm and area ABC is equal to 54 CM square find the area of triangle DEF

Answer 1

ar (abc)/ar (def)=bc^2/ef^2
54/def =3^2/4^2
54/def =9/16
9def= 54*16
def= 54*16/9
def=64