Explanation:
Hey there!
Here;
ABC is a Right angled triangle.
Taking reference angle as angleA.
Now;
Hypotenuse (h) = AB
Perpendicular (BC)= 24 ft.
Base(AC)= 10 ft.
Now, Using Pythagoras relation;

Put all values.

Simplify it.


Therefore, h= 26ft.
ANS: OPTION A.
Hope it helps....