Answer:
EF = 26 units.
Step-by-step explanation:
The arcs CD and EF are equal so the chords CD and EF are also equal. So:
9x - 1 = 41 - 5x
9x + 5x = 41 + 1
14x = 42
x = 3.
Therefore EF = 41 - 5(3)
= 26 units.
