Asked by Sammy

What angle should you rotate a mirror so that a reflected ray rotates through 28 degrees.

I got 20, but i am not sure, please help
Answered by bobpursley
Why 20?
Answered by MathMate
If you are facing the mirror, how much do you need to turn the mirror to see things on the left? Go to the bathroom and give it a try.
The same ratio works for 28°.
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