Answer:
The answer is A: y^2/2x
Step-by-step explanation:
Hope this helps please mark brainliest :)
√18
Ok, there's 5 squares that make up the box since the top's missing, so do:
90/5 --> 18
Since squares are simply length^2 to get the area, square root this value to give you your answer for each side length of this box:
