Answer:
14.03 to nearest hundredth.
Step-by-step explanation:
Consider one of the right triangles
y^2 + 17^2 = 19^2 where y is the base.
y^2 = 19^2 - 17^2 = 72
y = √72
= 8.4853
So,
x = 31 - 2(8.4853)
= 14.0294