Answer:
12
Step-by-step explanation:
12×12=144
12 squared equals 144 so square root is 12.
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The prime factorization of 144 is ...
144 = 9·16 = 2·2·2·2·3·3
Grouping pairs of similar factors, we have ...
144 = (2·2)·(2·2)·(3·3) = (2·2·3)·(2·2·3) = 12·12
√144 = √(12²) = 12
