Step-by-step explanation:
To find the length of FA, we can use the Pythagorean theorem.
FA = √(EF^2 + ED^2)
FA = √(8^2 + 10^2)
FA = √(64 + 100)
FA = √164
FA ≈ 12.81
So, the length of FA is approximately 12.81 units.
