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The proof below may or may not be correct. If the proof is incorrect, determine the

first step number that is not justified and the reason it is not justified.

The proof below may or may not be correct. If the proof is incorrect, determine the-example-1

1 Answer

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Answer:

Step-by-step explanation: step 5
they have not proved the ASA postulate i.e. they the are missing a step to proove angle BEF = angle CED (Verticle angles)
so, correct answer is step number 5 and reason 'missing prior step'

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