Answer:
Option A is correct.
triangle with light blue color
Step-by-step explanation:
As per the statement:
Ilya builds a slide that is 2.9 meters long.
⇒
It is also given that 1.5 meters above the ground.
Since, this height is perpendicular from the ground level.
⇒
As, he wants to determine the distance from the bottom of the slide to the base of the ladder leading up to the slide.
Therefore, the diagram in option A (with light blue color) represents the given situation as shown below in the attachment.