Answer:
The line that forms the shadow is 10.26 meters long, approximately.
Explanation:
This problem is about a right triangle, becasue the truck and its shadow are perpendicular.
We are gonna call
the distance of the shadow on the ground, as the image attached shows.
To find the answer, we need to use Pythagorean's Theorem, where the hypothenuse is 11.2 meters, and one leg is 4.5 meters.
Therefore, the line that forms the shadow is 10.26 meters long, approximately.