Answer:
(A) The sign should go in the corner opposite the side that is 26m.
Explanation:
In every triangle, the shortest side is opposite of the smallest angle and the longest side is opposite of the biggest angle.
For example, in a 30, 60, 90 triangle, the 30° angle is opposite a side length of 1 unit and the 90° angle is opposite a side length of 2 units. (60° is opposite radical 3)