11 * 11 = 121
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The Answer Is 77. If You Solved It , It Will Be Repeated Addition. Here's The Answer - 11 + 11 + 11 + 11 + 11 + 11 + 11 = 77
The square root of 121 is 11 So the perimeter is 11+11+11+11 = 44 cm.
11
11² = 11 * 11 = 121
11