ilovetacobell24
ilovetacobell24 ilovetacobell24
  • 24-06-2020
  • Mathematics
contestada

plz help me w this!!! lowkey forgot how to do it lol. marking brainiest aswell!!!

plz help me w this lowkey forgot how to do it lol marking brainiest aswell class=

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snog
snog snog
  • 24-06-2020

Answer:

B

Step-by-step explanation:

A = 1/2π  * r²

A/(1/2π) = r² (Divide by 1/2π)

r = √(2A/π) (Take the square root of both sides then simplify)

Answer Link
kamimac03
kamimac03 kamimac03
  • 24-06-2020

Answer:

B. r=[tex]\sqrt{\frac{2A}\pi}}[/tex]

Step-by-step explanation:

First multiply both sides by 2. This gives us 2A=[tex]\pi[/tex]r². Now, divide both sides by [tex]\pi[/tex]. Now we have [tex]\frac{2A}{\pi}[/tex]=r². Now, square root both sides. The final answer is r=[tex]\sqrt{\frac{2A}{\pi}}[/tex]

Answer Link

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