claudiajoy08 claudiajoy08
  • 03-03-2019
  • Mathematics
contestada

A ratio station is allowed by the FFC to broadcast over an area with a radius of 219mi. how much area is this?

Respuesta :

calculista
calculista calculista
  • 12-03-2019

Answer:

The approximate area is [tex]164,664.74\ mi^{2}[/tex] or the exact area is [tex]52,441\pi\ mi^{2}[/tex]

Step-by-step explanation:

we know that

The area of a circle is equal to

[tex]A=\pi r^{2}[/tex]

we have

[tex]r=229\ mi[/tex]

substitute

[tex]A=\pi (229^{2})=52,441\pi\ mi^{2}[/tex]

assume [tex]\pi=3.14[/tex]

[tex]52,441(3.14)=164,664.74\ mi^{2}[/tex]

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