7 6-

5-

M

4-

3-

А A

2-

0

0

-1

2

Angle MNO is rotated 180 degrees counterclockwise about the origin to form angle M'N'O'. Which statement shows the measure of angle M'N'O? (4 points)

O m2M'N'O' = 90 degrees

Om M'N'O' = 180 degrees

m_M'N'O' = 2 x mZMNO

OmZM'N'O' = m_MNO