HELP!!! please look at the photo attached, its really confusing me so even if you dont know the answer can you atleast give me tips on how to do it?

note: the rectangle is 4cmx11.5cm, scaled up it is 8mx23m

HELP please look at the photo attached its really confusing me so even if you dont know the answer can you atleast give me tips on how to do it note the rectang class=