Question

Angle MNO is formed by segments MN and NO on the following coordinate grid:

A coordinate grid is shown from positive 6 to negative 6 on the x axis and from positive 6 to negative 6 on the y axis. A line segment MN is shown with M as ordered pair negative 1, 1 and N as ordered pair negative 5, 4. Another line segment NO is shown with O as ordered pair negative 1, 4.

Angle MNO is rotated 90 degrees counterclockwise about the origin to form angle M′N′O′. Which statement shows the measure of angle M′N′O′?

Answer 1

m∠ M′N′O′ = 90 degrees
m∠ M′N′O′ = 180 degrees
m∠ M′N′O′ = 2 ⋅ m∠MNO
m∠ M′N′O′ = m∠MNO

Answer 2

@jackmullen55

Answer 3

Is this the angle were looking at?