Given Data

1. A triangle has a dot near its upper-left corner and an arrow on its right side pointing upward.
2. The figure is reflected in a vertical mirror.

Question

What must be true of the mirror image?

Answer

The dot is near the upper-right, and the arrow is on the left side pointing upward.

Solution

1. A vertical mirror swaps every left-right position.
2. The dot moves from upper-left to upper-right but remains near the top.
3. The arrow moves to the left side while its upward direction remains upward.