287,746 views
22 votes
22 votes
How many spherical balls of diameter 15cm can be covered by 40 square metres of material

User Pollx
by
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1 Answer

18 votes
18 votes

Answer:

It's very simple: divide the 40 m² area by area of 1 one sphere


\frac{40 \: m {}^(2) }{3.41 * 15m {}^(2) } = 565

User David Villamizar
by
3.0k points
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