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Sagot :
Answer:
The answer is J. 120
Step-by-step explanation:
hope it helps
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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