Easy Medium Hard Extreme Add 3 sticks to divide the factory into 2 equal parts. The size of the 2 parts must be equal, but the 2 shapes don't have to be the same. Show Answer It is not so clear to see the solution with matchsticks. The figure below shows that the 2 areas are exactly the same in size. It should now be clear that: A1 = A2 B1 = B2 C1 = C2 D1 + D2 = D3 Hide Answer