Answer:
Step-by-step explanation:
4^2+x^2 = 15^2
x^2 = 15^2 - 4^2 = 225-16 = 209
x=sqrt(209)
x = 14.46
-0.1, 0, 0.8, 1.2, 1.6
it is the middle one
i did it
Sorry, I can't type well.