Can you start projecting slides onto the screen for me?
Why don't we use this white wall as a screen to project the movie?
Only Viet knows that Koichi really likes seeing himself reflected full-length in the mirror.
You know that 映る is "to be reflected." Now you're doing the reflecting, which is really projecting (light). That's why this word is to project.
The reading is the same as 映る. So long as you know the reading of 映る you should be able to read this one too.