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ArbitrLikvidat [17]
3 years ago
14

I need help please (Geometry)

Mathematics
1 answer:
oee [108]3 years ago
4 0

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

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