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Butoxors [25]
3 years ago
6

What is r in this equation? πr^2=42π

Mathematics
1 answer:
kupik [55]3 years ago
4 0
R in this equation refers to the radius

{\pi r}^{2}  = 42\pi \\  {r}^{2}  =  \frac{42\pi}{\pi}  \\ r =  \sqrt{42 } \\ r = 6.480740698
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