To find the change in height, we can calculate the difference between the height of the platform and the depth reached in the water.
The height of the platform is 10 meters, and the depth reached is 6 meters.
The change in height can be calculated as follows:
Change in height = Height of the platform - Depth reached
Change in height = 10 meters - (-6 meters)
(Note: Depth is considered negative since it is below the surface)
This gives us:
Change in height = 10 meters + 6 meters = 16 meters
So, the change in height is 16 meters.