Answer:
cable 1 ≈ 54.63 ft
Explanation:
using Pythagoras' identity in the right triangle having cable 1 as its hypotenuse.
let cable 1 be x , then
x² = 22² + 50² = 484 + 2500 = 2984 ( take square root of both sides )
x =
≈ 54.63 ft ( to 2 dec. places )