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36 unit squares are joined to form a rectangle with the least perimeter. Perimeter of the rectangle is:

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12 units

26 units

24 units

36 units

answer is A.

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Detailed Solution

Given, 36 unit squares are joined to form a rectangle with the least perimeter.
The square is the rectangle with the smallest perimeter.
Using this fact, we can say that the perimeter of a square whose area is 36 square units is,

= 436 = 4 × 6 = 24 units

Therefore, perimeter of the rectangle is 24 units.
Hence, the correct option is 1.

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