Yes/No Indicate whether you agree with the statement.
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Is the conclusion justified?

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1.
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If l is parallel to m, ∠2 =∠3
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2.
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If l is parallel to m and m
is perpendicular to k then l is perpendicular to k.
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3.
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If m∠2 + m∠4 = 180, then l is parallel to m.
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4.
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If ∠1 = ∠5, then l is parallel to m.
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5.
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If l is parallel to m, then ∠6 =∠5.
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