Question

If a reflection in line k followed by a reflection in line m maps point A to A", which results in the same image as a 120degree rotation about point P, then what is the value of x?
here's the diagram: http://i.imgur.com/K3fv8Ms.jpg

Answer 1

@jim_thompson5910 ?

Answer 2

hint: see attached

Answer 3

Would it be 120 degrees?

Answer 4

notice how

z+z+y+y = 120

2z + 2y = 120

2*(z+y) = 120

Answer 5

and how x = z+y