Ryan Brooks and Sergio Olmos added 14 points each for the Owls (22-11), who clinched their eighth conference championship and an NCAA berth.
Lavoy Allen had 10 points and 14 rebounds for Temple, which won back-to-back league titles for the first time since 2001.
Aaron Jackson scored 20 points for the Dukes (21-12), who reached the A-10 final for the first time since 1981. Damian Saunders added 15 points and 10 rebounds for Duquesne.
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