Answer:
In this case, it would be 9x9 and 6x6
Explanation:
The ² in the problem means to multiply the number by itself, like 9x9. It's called the square.
a² + b² = c²
eg.
(a x a) + (b x b) must be = (c x c)
c = hypotenuse which means it is the longest part, which is why it is a² + b² = c²
The person's answer before me is also right
Hope this helps! :)