Look closely at the image on the left.

**How many different triangles of any size can you count?**

#### Solution

**There are 27 triangles in total**, 16 of a square, 7 of four squares, 3 of nine squares and 1 triangle that occupies the 16 squares.

Look closely at the image on the left.

**How many different triangles of any size can you count?**

**There are 27 triangles in total**, 16 of a square, 7 of four squares, 3 of nine squares and 1 triangle that occupies the 16 squares.