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Gala2k [10]
3 years ago
12

I really need help on this question

Mathematics
1 answer:
disa [49]3 years ago
8 0

sa = 2\pi{r}(r+ h) \\  \frac{sa}{2r\pi}  = r + h \\  \frac{sa}{2r\pi}  - r = h
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