Answer:
x = 0.09
Explanation:
Use the pythagorean theorum.
a^2 + b^2 = c^2
Plug in the values.
a^2 + 0.4^2 =0.41^2
= a^2 + 0.16 = 0.1681
Subtract to get a (which is the x value)
a^2 = 0.1681 - 0.16
a^2 = 0.0081
Square root 0.0081 to get a.
a or x = 0.09