Why does a square with an area 20² not have a whole number side length.

This is because the number '20' is not a perfect square.

Step-by-step explanation:

If you find , you will be getting 4.4721935955... which is not a whole number, thus 20 is not a perfect square.

1)is not similar since corresponding sides are not in the same ratio

2)are similar since corresponding sides are in the same ratio and corresponding angles are equal

hope it will

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