08 July 2016

402. Reduce from 5 to 4 square matchsticks

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The size of the cross shown above is exactly 5 square matchsticks. 12 matchsticks were used to achieve this. Make sure you agree with all of this.

Move 4 matchsticks to reduce the size of the shape to exactly 4 square matchsticks. The number of matchsticks in the new shape must still be 12.

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The size of A plus the size of B is exactly 1 square matchstick.

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