guitarpro1210 guitarpro1210

23-03-2021
Mathematics

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Find the radius of this circle.
A = ar2
r = [?] ft
A = 9aft?

Find the radius of this circle A ar2 r ft A 9aft class=

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Mekhala Mekhala

25-03-2021

Answer:

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

If A = 9[tex]\pi[/tex]ft^2

[tex]\pi[/tex] . r^2 = 9[tex]\pi[/tex]ft^2

r^2 = 9ft^2

r = sqrt(9ft^2)

r = 3ft ( r>0)

Step-by-step explanation:

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