Can someone pleaseeee help and if you’re correct i’ll give brainliest

9514 1404 393

  B.  6√3 feet

Step-by-step explanation:

The Pythagorean theorem can help with this. It tells you the square of the hypotenuse is the sum of the squares of the two legs. In feet, the length of the unknown leg (x) is ...

  12² = x² + 6²

  144 -36 = x² = 108

  x = √108 = 6√3 . . . . . matches B