no, 28 has no whole square root; the square root of 49 is 7
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irrational
The square root of 28 in simplified radical form is...2 * Square root of 7
4 square root of 7
Expressed as a surd, the square root of 28 is equal to 2 root 7.
The square root of 28 is 2 times root 7 or about 5.291502622. Or your mom.