IK1 IK1
  • 19-03-2020
  • Mathematics
contestada

The area of a circle is 361 cm?.
What is the radius of this circle?
Your final line should be written as r= ...​

Respuesta :

s03838 s03838
  • 19-03-2020

Answer: 114.9

Step-by-step explanation:

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

[tex]\pi[/tex]. [tex]r^{2}[/tex] = 361

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

r = [tex]\sqrt \frac{361}{\pi } = 114.9[/tex]

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