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andriy [413]
3 years ago
15

Which is a perfect square 72 81 90 99

Mathematics
2 answers:
xxMikexx [17]3 years ago
7 0

Answer:

B)  81

Step-by-step explanation:

Ksju [112]3 years ago
5 0

Answer:

90

Step-by-step explanation:

90 degree angle is a perfect square

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