Simplify fully 4c cubed d squared/8cd squared​

Which composition of similarity transformations maps polygon abcd to polygon a'b'c'd'? a dilation with a scale factor less than 1 and then a reflection a dilation with a scale factor less than 1 and then a translation a dilation with a scale factor greater than 1 and then a reflection a dilation with a scale factor greater than 1 and then a translation

:)i need to know on which ones are corresponding, alternate interior, alternate exterior, or none of these.

What is the measure of minor arc dm?