madisonnance1
madisonnance1
02-06-2018
Mathematics
contestada
what is r in this equation?
πr^2=42π
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aosera
aosera
02-06-2018
r in this equation refers to the radius
[tex] {\pi r}^{2} = 42\pi \\ {r}^{2} = \frac{42\pi}{\pi} \\ r = \sqrt{42 } \\ r = 6.480740698 [/tex]
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