Square root (perfect square)

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Find the square root. The number under the root sign is a perfect square.

49 =

What does the generator do?

It picks a whole number n from 2 to 20 and asks for the square root of n². The answer is always a whole number.

How to solve

Find the whole number whose square equals the radicand. Check by squaring your answer — it should give the number under the root.

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