What 2 square numbers make 20?

"What 2 square numbers make 20?" means "What 2 square numbers added together equal 20?" In other words, "What two square numbers when added together have a sum of 20?"

First, note that a square number is what you get when you multiply a number by itself, which means that the square root of a square number will equal a whole number.

Thus, we are solving A and B in this equation where both A and B are square numbers.

A + B = 20

We found the following combination of two square numbers that when added together equal 20:

4 + 16 = 20

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