Respuesta :

They are all perfect squares because if you took the square root of them you will get a single number. Like the square root of 25 is 5 bc 5(5) is 25 
16 is 4 bc 4(4) is 16 
9 is 3 bc 3(3) is 9 
1 is 1 bc 1(1) is 1 
& so on & so forth

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