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avatar+252 

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

A) 427.0 units squared.

B) 452.2 units squared.

C) 703.4 units squared.

D) 866.6 units squared

 Nov 7, 2017
 #1
avatar+252 
+1

im pretty sure its B, but just need a confirmation 

 Nov 7, 2017
 #2
avatar+98044 
+2

SAsphere   =  4 pi  (radius)^2  =  4 pi (6)^2  =  4 pi (36)  = 144 pi units^2  ≈

 

452.2 units^2

 

GOOD JOB  !!!!

 

 

cool cool cool

 Nov 8, 2017
edited by CPhill  Nov 8, 2017

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