Answer:
x < 3
Step-by-step explanation:

I think it’s 72/5 there’s the proof I hope im was helpful
Step-by-step explanation:
area of square = l^2
so 10^2
100cm^2
Check the picture below
in case you want to know how to get who's the adjacent or opposite, notice in the picture, if you put your eye on the angle itself, what you'd be facing is the opposite side, the adjacent is the side touching the angle.
It depends on how big the fish tank is. I need the image