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Which is a pertect square?
72
81
90
99​

User Waqar
by
7.4k points

2 Answers

3 votes

Answer:

81.

Explanation:

9 * 9 = 81

User TastyWheat
by
7.6k points
4 votes

Answer:

81

Explanation:

81 is a perfect square since

√81 = 9 (perfect square)

However any of the others aren't perfect squares

User DarwinIcesurfer
by
6.7k points