What is the scale factor of AABC to A DEF?

Answer: D
Step-by-step explanation:
the scale factor is 6
Triangle ABC has the lengths 4,2,4 and DEF has the lengths 24,12,24
so for the triangle ABC's lengths to become triangle DEF is is supposed to be multiplied by 6
4*6= 24
2*6= 12
4*6= 24