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Three matchsticks form 2 right angles as shown in Figure A above. By moving only 1 matchstick you can create 3 right angles as shown in Figure B. However, this is only one solution and there are 7 more where 3 right angles can be created. Can you find them all?
The rules are:
- Start each time with the layout as in Figure A.
- Move only 1 matchstick.
- You may not move the horizontal matchstick in Figure A.
There's actually a few more solutions where you move the left or right vertical stick up so that the horizontal stick is perpendicular to the midpoint of the vertical stick
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