Answer:
Explanation:
1) The ladder is the hypotenuse.
2) a² + b² = c²
5² + 12² = c²
25 + 144 = c²
169 = c²
√169 = √c²
13 = c
The length of the ladde is 13ft.
3) Make the wall 17 ft (12 + 5)
5² + 17² = c²
25 + 289 = c²
314 = c²
√314 = √c²
17.72 = c
The lenght of the ladder is now 17.72 ft