Respuesta :

altavistard

Answer:

A = 339.8 yd^2

Step-by-step explanation:

The formula for the surface area of a sphere of radius r is:

A = 4*pi*r^2.  In this case, d = 10.4 yd leads to r = 5.2 yd.

Then the surface area of this sphere is

A = 4*pi*(5.2 yd)^2 = 339.8 yd^2

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