Blake drew square A B C D. Then, he drew the image of it, square A apostrophe B apostrophe C apostrophe D apostrophe comma 2 centimeters to the right of the original figure. Line segment B C is 3 centimeters. How long is line segment B apostrophe C apostrophe ?

Answer 1

Ummhhh, how could moving the square 2 units to the right change
the length of any of its sides?

Answer 2

for heaven's sake, just type A'B'C'D' !!!!
All this dictation stuff just produces eye-watering gibberish!

and read up on rigid transformations, such as translation.