If l, m, n are three lines such that l || m and n ⊥ l. prove that n

1.	If l, m, n are three lines such that l \|\| m and n ⊥ l. prove that n ⊥ m.
Answer» If l, m, n are three lines such that l \|\| m and n $⊥$ l. prove that n $⊥$ m.

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