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12 votes
Which number is NOT a perfect square?
99 64 144 81

User Dianovich
by
5.3k points

2 Answers

10 votes

A, 99

8 x 8 = 64

12 x 12 = 144

9 x 9 = 81

User Ben Woodall
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5.6k points
5 votes
99 it’s not a square number!

square root of:
64 - 8
144 - 12
81 - 9
User DuduAlul
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4.3k points