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.
John Henson had 13 points and Reggie Bullock added 11 for the Tar Heels.
Mfon Udofia scored 16 points to lead the Yellow Jackets (8-13, 1-6), who trailed by double figures the entire second half.
North Carolina hadn’t beaten Georgia Tech in nearly three years. The Tar Heels lost three times to Georgia Tech in 2009-10, including the first round of the ACC tournament.
NO. 4 OHIO STATE 64, NO. 20 MICHIGAN 49
In Columbus, Ohio, Lenzelle Smith Jr. scored 17 points and had a career-high 12 rebounds as Ohio State (19-3, 7-2) flexed its muscle inside to beat Michigan (16-6, 6-3), keeping the Buckeyes in a first-place tie in the Big Ten.
Tim Hardaway Jr. had 15 points for the Wolverines.
The Buckeyes extended their homecourt winning streak to 38, the second-longest in the program’s 100 years.
NO. 16 INDIANA 103, IOWA 89
In Bloomington, Ind., freshman Cody Zeller scored a season-high 26 points for Indiana (17-5, 5-5 Big Ten), which handed Iowa (11-11, 3-6) its third consecutive loss.
NOTRE DAME 50, NO. 24 CONNECTICUT 48
In Hartford, Conn., Eric Atkins scored 13 points and Jerian Grant hit three key free throws late as Notre Dame 14-8, 6-3 Big East) earned its third consecutive win and handed Connecticut (14-6, 4-4) its third loss in a row.