madisonnance1 madisonnance1

02-06-2018
Mathematics

contestada

what is r in this equation?
πr^2=42π

Respuesta :

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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