Solve for x please will mark brainliest

Answer:
y = 9
Step-by-step explanation:
if you want to find the value of y then
4y + 6y = 90 (it's right angle triangle)
10 y = 90
y = 90/10
y = 9
Answer:
y = 9
Step-by-step explanation:
6y + 4y = 90
10y = 90
y = 9