Answer:
25 ft
Explanation:
You need to know the Pythagorean Theorem to solve this, which is
a² + b² = c² where a, and b are legs, and c is the hypotenuse
The biggest clue is when it tells you that the shorter pieces are 7ft and 24ft. In a right triangle, the shorter sides are the legs, and the hypotenuse is ALWAYS the longest side. So we can use 7 and 24 for either a or b and solve for c
7² + 24² = c² (plug in what you know)
49 + 576 = c² (7² is 49, and 24² is 576)
625 = c² (49 + 576 is 625)
25 = c (the square root of 625 is 25)