SOLUTION: Can you please help me with this problem?: The formula for the surface are of a sphere is A=4pir^2. A square sticker of side x is placed on a ball of radius 3x. What is the surf

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Question 119372: Can you please help me with this problem?:
The formula for the surface are of a sphere is A=4pir^2. A square sticker of side x is placed on a ball of radius 3x. What is the surface areaof the not covered by the sticker? Please Write your answer in factored form.

Thanks!

Answer by ankor@dixie-net.com(22740)   (Show Source): You can put this solution on YOUR website!
The formula for the surface are of a sphere is A=4pir^2. A square sticker of side x is placed on a ball of radius 3x. What is the surface area of the not covered by the sticker? Please Write your answer in factored form.
:
Sphere area - sticker area = uncovered area
-
Substitute 3x for r


Multiply 9*4

Factor out x^2


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