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borishaifa [10]

3 years ago

13

The surface area of a plastic ball is 196 pi. A sponge ball has a radius twice that of the plastic ball. What is the surface are

a of the sponge ball?

1 answer:

Alex73 [517]3 years ago

4 0

4pie(14)^2=s
4pie(196)=s
2463=surface area

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