If triangles ABC and DEF are similar and AB=4 cm, DE=6 cm, EF=9 cm and FD=12 cm, the perimeter of triangle is:
A. 22 cm
B. 20 cm
C. 21 cm
D. 18 cm
Answer:D
If triangles ABC and DEF are similar and AB=4 cm, DE=6 cm, EF=9 cm and FD=12 cm, the perimeter of triangle is:
A. 22 cm B. 20 cm C. 21 cm D. 18 cm
Explanation: ABC ~ DEF