### Brain Teasers

# Fold Twice

Fold a square piece of paper twice to form a smaller square, then cut it in half diagonally.

How many pieces is the paper cut to?

How many pieces is the paper cut to?

### Hint

A square has 2 diagonals.### Answer

4 or 5.It has 2 possibilities.

Cutting on one diagonal yields 4 triangles; cutting on the other diagonal yields 4 triangles and a square.

If the area of the original square paper is 16, it's possible to cut into 4 triangles of area 4 each, or 4 triangles of area 2 each and 1 square of area 8.

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