Answer:
Correct, 25.
Step-by-step explanation:
The surface area of Spaceship Earth is: 7850 m^2
Step-by-step explanation:
Given
Diameter of spherical structure = d = 50 meters
As the attraction is in the form of a sphere, its radius will be used to find the surface area.

The formula for surface area of sphere is:

The surface area of Spaceship Earth is: 7850 m^2
Keywords: surface area, sphere
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The answer is the last one