Answer:
The height of the tabletop is 65.5 centimeters.
Explanation:
We are given that,
Length of the base = 115 centimeters
Width of the base = 85 centimeters
Area of the trapezoid shaped base = 6,550 square centimeters.
Since, we know,
Area of a trapezoid =

So, we get,

i.e.

i.e.

i.e.

i.e. Height = 65.5 centimeters
Hence, the height of the tabletop is 65.5 centimeters.