pwanzer51 pwanzer51

16-11-2022
Mathematics

contestada

Use the formula for the area of a circle to solve for the radius of the circle if the area is 78.5cm^2

Respuesta :

Medunno13 Medunno13

16-11-2022

Answer:

[tex]r=\frac{\sqrt{314\pi}}{2\pi}[/tex]

Step-by-step explanation:

[tex]A=\pi r^2 \\ \\ 78.5=\pi r^2 \\ \\ r^2=\frac{78.5}{\pi} \\ \\ r=\frac{\sqrt{314\pi}}}2\pi}[/tex]

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