For what side length, the perimeter and area of the square will be numerically equal?
A
4 cm
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B
3 cm
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C
2 cm
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D
11 cm
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Solution
The correct option is A 4 cm Area of a square of side length 'a' =a2 Perimeter of a square of side length 'a' =4a a2=4aa=4 If side length is 4, its area and perimeter will be equal.