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Nikolay [14]
3 years ago
14

Look at this sphere:

Mathematics
1 answer:
ANEK [815]3 years ago
3 0

In the equation for surface area the radius is squared ( r^2)

If the radius is doubled, the radius would be 2^2 more which equals 4

The surface area would be 4 times the old surface area.

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=======================================================

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