Question

How do I find weather ABCD are yes or no?

Answer 1

(a) Reflecting over line AC will map hexagon ABCDEF onto itself (NO)

(b) Reflecting over line BE will map hexagon ABCDEF onto itself (YES)

(c) Rotating 120 counterclockwise about point X will map hexagon ABCDEF onto itself (YES)

(d) Rotating 240 clockwise about point F will map hexagon ABCDEF onto itself (NO)