Isn’t it h?
extra words so i can actually post this reply
X = A/y
You divide the y from both sides
The y on the right cancels
On the left you have A/y = x
well, we know the "sum" of both angles is 90°, notice the rectangle in the corner, so we can say that the angles are simply complementary angles, thus

No because there is absolutely no correlation
No solution because I know I’m right