A square is rotated clockwise about center point P. Click on all the degrees of rotation that will carry the square onto itself,
45

900
120
135
180
225
240
270
315
360

When you rotate the regular pentagon 72∘about its center, it will look exactly the same. This is because the regular pentagon has rotation symmetry, and 72∘is the minimum number of degrees you can rotate the pentagon in order to carry it onto itself.