The number 72 is between what two perfect squares? Enter a numerical answer only.
2 answers:
Well a perfect square looks like this:
6 x 6
2 x 2
So the number 72 is between the PRODUCT of two perfect squares such as those.
One product has to be above 72, and the other below it.
So lets multiply.
8 x 8 = 64
9 x 9 = 81
Oh look at that, 72 is between 64 and 81.
64=8^2
81 = 9^2
72 is between what two perfect squares 64=8^2 and 81 = 9^2
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