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In terms of pi, what is the area of the circle defined by the equation 2x^2+2y^2+10x-6y-48=0

 Feb 25, 2022
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Put the given equation into standard circle form by completing the square for x and y

(x+5)^2   +  (y-3)^2   =   24 + 25 + 9     

 

r^2 = 24+25+9 =58

 

Area = pi r^2    = 58 pi

 Feb 25, 2022

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