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I need help please (Geometry)
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5 votes
I need help please
(Geometry)

I need help please (Geometry)-example-1
User Mrry
by
5.7k points

1 Answer

1 vote

The surface area formula for any sphere is 4(pi)(radius)^2

The radius is half of the diameter.

18.6 / 2 = 9.3

So, plug into the formula and solve.

4(3.14)(9.3)^2 = 1086.3 mm^2

User David Strencsev
by
4.4k points
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