Given Data

1. A star is drawn at the upper-left of a square.
2. A vertical mirror is placed beside the square.

Question

Where will the star appear in the mirror image?

Answer

At the upper-right of the square.

Solution

1. A vertical mirror reverses left and right.
2. The star remains at the same height, so it stays in the upper half.
3. It moves from upper-left to upper-right.