The dimensions of the picture on a 35.0{\rm mm} color slide are x = 24.0{\rm mm} {\times}y = 36.0{\rm mm} . An image of the slide is projected onto a screen 10.0{\rm m} from the projector lens with a lens of focal length 180{\rm mm} .
A) How far is the slide from the lens? in cm
B) What are the dimensions of the image on the screen?