Question

Which of the following are true? Choose two.
A dilation is an isometry.
a dilation with a scale factor of 1 is a reduction.
for a dilation, cooresponfinf angles of the image and the pre-image are congruent.
a dilation image cannot have any points in common with its pre-image.
a dilation pre-image must have a point on the center of the dilation.
a dilation with a scale factor of 4 is an enlargement