269. Move 6 to create 18 parallelograms

Easy

Medium

Hard

Extreme

There are 20 triangles in the above figure. (12 of size 1X1, 6 of size 2X2 and 2 of size 3X3)

Move 6 sticks to create 18 parallelograms. There must be no remaining triangles in your solution.

Show Answer

Hide Answer