Respuesta :

Answer:

16.1

Step-by-step explanation:

Find the square root of difference of the squares

Answer:

T = 16

Step-by-step explanation:

As triangles are similar

AB/DE = BC/EF = AC/DF

13.5/18 = 6/4 = 12/T

3/4 = 3/4 = 12/T

3/4 = 12/T

T = 12×4/3

T = 16