Respuesta :

carlosego
For this case we have the following diagonals:
 AE = 40
 ST = x + 5
 The intersection of the diagonals occurs when:
 AE = ST
 Therefore, matching we have:
 40 = x + 5
 Clearing x we have:
 x = 40-5
 x = 35
 Answer:
 The value of x is:
 x = 35

Answer:

x=15

Step-by-step explanation:

In a rectangle you always have that the diagonals are congruent, so they must measure the same, i.e. DT=AE=40.

On the other hand the point S is the mid point of DT, so ST=20.

then we have

20=ST=x+5

and hence

x=20-5=15

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