Answer:
16
Step-by-step explanation:
We can calculate the value of x using Euclidean theorem
15^2 = 9 × (x+9)
225 = 81 + 9x subtract 81 from both sides
144 = 9x divide both sides by 9
16 = x
20/25
divide the denominators
25/5=5
multiply the numerator
4*5=20
28,4 most likely I think
