Mathematics, 10.05.2021 01:00, melodyfigueroa44

A solid metal sphere with diameter 4cm needs to be covered with a protective material which costs £0.23 per cm2.
How much will it cost to cover the sphere with the material?
Give your answer rounded to 2 DP.

please help

Answers: 3

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A solid metal sphere with diameter 4cm needs to be covered with a protective material which costs...