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daser333 [38]
4 years ago
12

Which is a perfect square? 72 81 90 99

Mathematics
2 answers:
HACTEHA [7]4 years ago
8 0

72 just divide by 4 which ever one doesn't have a decimal I think.

Sophie [7]4 years ago
3 0

81 = 9 x 9 = 9^2


√81 = 9


Answer

81

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