20 POINTS! Please help, best answer will recessive brainliest answer points as well as 5 stars and a thank you. :)

20 POINTS Please help best answer will recessive brainliest answer points as well as 5 stars and a thank you class=

Respuesta :

Answer:

3): 14

Step-by-step explanation:

The problem states that ABC and DEF are similar. Therefore, dsue to similar triangles, we have 7x/7=4/x, so x^2=4. Therefore, x=2 (because x cannot be negative). Therefore, AB = 7x = 7*2=14