Question

Parallelogram ABCD is shown. Point E is the midpoint of segment AB. Point F is the midpoint of segment CD.

Which transformation carries the parallelogram onto itself?

a reflection across line segment AC

a reflection across line segment EF
a rotation of 180 degrees clockwise about the origin

a rotation of 180 degrees clockwise about the center of the parallelogram

Answer 1

a rotation of 180 degrees clockwise about the center of the parallelogram