Respuesta :

menkadmiel811

Answer:

The answer is J. 120

Step-by-step explanation:

hope it helps

jcherry99

Answer:

<DBE = 120

Step-by-step explanation:

A straight angle (ABC) has 180 degrees.

20 + 40 + x = 180                   Combine the left

60 + x = 180                           Subtract 60 from both sides.

60-60 + x = 180 - 60

x = 120

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