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The surface area of a sphere with a diameter of 12 units is:

A;427.0

B:452.2

C:703.4

D;866.6

 Jun 12, 2020
 #1
avatar+17 
+2

The formula for the surface area of a sphere is given by 4pi*r^2, where r is the radius. We also know that the diameter of the sphere is 12 units, so its radius is 12/2 = 6 units. Thus, we can conclude that the surface area of that sphere is 4pi*36, which is about 452 units, or Bsmiley

 Jun 12, 2020
 #2
avatar+1128 
+1

(B)452.39 since it is A=4πr^2 and r=6 so A=452.39

 Jun 12, 2020

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