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Mathematical Problems

Square and Rectangle ★★ 

The area of the square shown below is 8 × 8 = 64. The square is cut in the four parts A, B, C, and D, which are rearranged into the rectangle shown below. This rectangle has an area of 13 × 5 = 65.

Puzzle Puzzle

The question: How can you explain the difference in area?

The answer: Click here!

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