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Freshtop · Answer 1 · 2022-06-12T05:06:20+0000

Answer:

A = 2512 cm²

Explanation:

The surface area of a sphere is A = 2πr². With d = 40 cm, r = 20 cm, and so the surface area of this sphere is A = 2(3.14)(20 cm)², which works out to A = 2512 cm²

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