Question

if an image of a triange is congruent to the pre image then the scale factor pf the dilation must ne n=?

Answer 1

The correct answer on Edgeniuty is:
n= 1

Answer 2

If an image of a triangle is congruent to the pre-image, then the scale factor of the dilation must be n = 1

hope this helps, Cheyfly! :-)