katieee808 katieee808
  • 09-12-2019
  • Mathematics
contestada

The area of a circle is 3.14 square miles. What is the circles radius?

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Respect3105
Respect3105 Respect3105
  • 09-12-2019

Answer:

Formula of the area of a circle is:

[tex]a = 2\pi \: r[/tex]

So:

[tex]3.14 = 2\pi \: r \\ \pi = 3.14 \: so \\ 1 = 2r \\ r = \frac{1}{2} = 0.5[/tex]

Answer: the Cirlcle's Radius= 0.5

Good luck.

Intelligent Muslim.

Answer Link
scantor scantor
  • 09-12-2019

Answer:

1 mile

Step-by-step explanation:

Area of a circle is pi (3.14) times the radius squared

A=πr^{2}

Answer Link

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