Can you move 4 matchsticks to have 6 equilateral triangles?
MOVE four matchsticks to convert the ship into eight triangles.
The triangles may differ in size and all matchsticks don't have to be flat on the surface.
Here we have 2 triangles, with the small one inside the large one. Can you move 3 matchsticks to have 4 triangles?
Can you move 3 matchsticks to have 4 triangles?