Respuesta :

The length of the ladder is 13 feet.

Step-by-step explanation:

  • The length of the ladder forms the hypotenuse of the right triangle.
  • The two legs of the right triangle are 5 feet and 12 feet.

From the Pythagorean Triplets (5,12,13) :

It can be determined that the longest side called hypotenuse is 13 feet.

Therefore, the length of the ladder = 13 feet.