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Gerry Broome, Associated Press
North Carolina's John Henson, left, guards Georgia Tech's Kammeon Holsey (24) during the first half of an NCAA college basketball game in Chapel Hill, N.C., Sunday, Jan. 29, 2012.

CHAPEL HILL, N.C. — Harrison Barnes scored 23 points and No. 7 North Carolina hit 10 3-pointers in a 93-81 victory over Georgia Tech on Sunday that ended a four-game losing streak to the Yellow Jackets.

Tyler Zeller added 17 points for the Tar Heels (18-3, 5-1 Atlantic Coast Conference), who have won 12 of 13 games and extended their school-record home winning streak to 31 games. North Carolina shot 54 percent from the field, led by 20 points at halftime and by 24 in the second half of an easy win that moved the Tar Heels into a tie with Duke and Florida State atop the ACC standings.

John Henson had 13 points and Reggie Bullock added 11 for the Tar Heels, while Kendall Marshall had 12 assists.

Mfon Udofia scored 16 points to lead the Yellow Jackets (8-13, 1-6), who trailed by double figures the entire second half.