227k views
0 votes
Which is a pertect square?
72
81
90
99​

User Waqar
by
7.1k points

2 Answers

3 votes

Answer:

81.

Explanation:

9 * 9 = 81

User TastyWheat
by
7.4k 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
6.4k points
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.