Four angles of a quadrilateral are in the ratio 3 : 7 : 6 : 4. The sum of the greatest and the smallest angle is ________.
A 120°
B 70°
C 180°
D 95°
Four angles of a quadrilateral are in the ratio 3 : 7 : 6 : 4. The sum of the greatest and the smallest angle is ________.
A 120°
B 70°
C 180°
D 95°