Answer: The bacony floor is 37 feet above the ground floor.
Explanation:
Here, the ground level is marked as 0 feet.
The elevation of the balcony floor is 37 feet.
The elevation of the basement floor is -17 feet.
Since elevations relative to ground level at 0 feet.
i.e. elevation of balcony floor is same as the distance of balcony floor from ground.
That means the bacony floor is 37 feet above the ground floor.
Hence, the bacony floor is 37 feet above the ground floor.