Respuesta :

stevethebest506

Answer: It's 18.

Step-by-step explanation: The sides of the smaller triangle are 1/3 as long as the sides of the bigger triangle. So, you just multiply 6 and 3 to get 18.

semsee45

Answer:

18

Step-by-step explanation:

AB : DE = 5 : 15           5 ÷ 15 = 1/3

BC : EF = 8 : 24           8 ÷ 24 = 1/3

AC : DF = 6 : ?       so  6 ÷ ? = 1/3

6 ÷ ? = 1/3

Multiply both sides by ?:  6 = (1/3)?

Multiply both sides by 3:  18 = ?

Therefore, the missing side = 18

good job