The perimeter of a square with side = 10 unit will be ……………………..
90 units
320 units
40 units
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Step-by-step explanation:
Since all sides of a square are equal, we only need one side to find its perimeter. The perimeter of the given square is: a + a + a + a = 4 a units. Hence, the formula of the perimeter of a square = 4 × (length of any one side).
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