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Earn +20 ptsQ: Is 90 a perfect square
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Is this integer 90 a perfect square?
90 is a not perfect square.
What are the square factors of 90?
the only perfect square factor of 90 is 9
Is the number 90 a perfect square?
no
How many obtuse angles are there in a square?
There are no obtuse angles in a square. A square is a perfect 90 degree angle.
Is square root of 90 irrational?
Yes. In general, if an integer is not a perfect square, its square root is irrational.
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