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16. The formula A = r² can be used to find the area of a circle. Solve the equation for r.
a. r=A-2n
b. r = √A - T
C. r=
d.)r =
A
A
211

Respuesta :

Swap the sides of the equation

2
r' =a

Take the square root of both sides of the equation and remember to use both positive and negative roots
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