mastercore7810
mastercore7810
09-09-2016
Mathematics
contestada
A=4pi r squared solve for r squared
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apologiabiology
apologiabiology
09-09-2016
A=4pir^2
divide both sides by 4pi
[tex] \frac{A}{4pi}=r^2 [/tex]
[tex] r^2= \frac{A}{4pi} [/tex]
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